{
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      "text": "Important"
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    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Updated BIND packages that fix a number of vulnerabilities are now\navailable for Red Hat Linux on IBM iSeries and pSeries systems.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "ISC BIND (Berkeley Internet Name Domain) is an implementation of the DNS\n(Domain Name System) protocols. BIND includes a DNS server (named),\nwhich resolves host names to IP addresses; a resolver library\n(routines for applications to use when interfacing with DNS); and\nvarious tools.\n \nA buffer overflow vulnerability exists in multiple implementations of the\nDNS resolver libraries.  Applications that utilize vulnerable DNS resolver\nlibraries may be affected.  A remote attacker who is able to send malicious\nDNS responses could potentially exploit this vulnerability to execute\narbitrary code or cause a denial of service on a vulnerable system. \n\nRed Hat Linux does not ship with any applications or libraries that link \nagainst the BIND resolver libraries; however, third party code may be affected.\n\nVersions of BIND 9 prior to 9.2.1 have a bug that causes certain requests\nto the BIND name server (named) to fail an internal consistency check,\ncausing the name server to stop responding to requests.  This can be used\nby a remote attacker to cause a denial of service (DOS) attack against name\nservers.\n\nThe updated bind packages included in this errata contain Bind 9.2.1 with\nthe addition of backported patches and is not vulnerable to these issues.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
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      "name": "Red Hat Product Security",
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    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2003:154",
        "url": "https://access.redhat.com/errata/RHSA-2003:154"
      },
      {
        "category": "external",
        "summary": "http://online.securityfocus.com/bid/5100",
        "url": "http://online.securityfocus.com/bid/5100"
      },
      {
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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_154.json"
      }
    ],
    "title": "Red Hat Security Advisory: : : : Updated bind packages fix buffer overflow in resolver library",
    "tracking": {
      "current_release_date": "2024-11-21T22:27:00+00:00",
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          "date": "2003-06-18T00:00:00+00:00",
          "number": "2",
          "summary": "Last updated version"
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        {
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        }
      ],
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        {
          "category": "description",
          "text": "ISC BIND 9 before 9.2.1 allows remote attackers to cause a denial of service (shutdown) via a malformed DNS packet that triggers an error condition that is not properly handled when the rdataset parameter to the dns_message_findtype() function in message.c is not NULL, aka DoS_findtype.",
          "title": "Vulnerability description"
        },
        {
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          "text": "security flaw",
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        }
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        },
        {
          "category": "external",
          "summary": "RHBZ#1616774",
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2002-0400",
          "url": "https://www.cve.org/CVERecord?id=CVE-2002-0400"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0400",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0400"
        }
      ],
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          "system_name": "Red Hat Bugzilla ID",
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        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Buffer overflow in the DNS resolver code used in libc, glibc, and libbind, as derived from ISC BIND, allows remote malicious DNS servers to cause a denial of service and possibly execute arbitrary code via the stub resolvers.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
        }
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        {
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          "url": "https://www.cve.org/CVERecord?id=CVE-2002-0651"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0651",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0651"
        }
      ],
      "release_date": "2002-06-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2003-06-18T22:19:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade.  Only those\nRPMs which are currently installed will be updated.  Those RPMs which are\nnot installed but included in the list will not be updated.  Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network.  Many\npeople find this an easier way to apply updates.  To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
            "Red Hat Linux 7.1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2003:154"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "security flaw"
    }
  ]
}

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Various versions of the ISC BIND resolver libraries are vulnerable to a\nbuffer overflow attack.  Updated BIND packages are now available to fix\nthis issue.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "ISC BIND (Berkeley Internet Name Domain) is an implementation of the DNS\n(Domain Name System) protocols. BIND includes a DNS server (named),\nwhich resolves host names to IP addresses; a resolver library\n(routines for applications to use when interfacing with DNS); and\nvarious tools.\n \nA buffer overflow vulnerability exists in multiple implementations of DNS\nresolver libraries.  Applications that utilize vulnerable DNS resolver\nlibraries may be affected.  A remote attacker who is able to send malicious\nDNS responses could potentially exploit this vulnerability to execute\narbitrary code or cause a denial of service on a vulnerable system. \n\nRed Hat Linux does not ship with any applications or libraries that link \nagainst the BIND resolver libraries; however, third party code may be affected.\n\nThe updated bind packages included in this errata contain the patches from\n8.3.3 which fix the buffer overflow applied (backported) to the 9.2.1 sources.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2002:133",
        "url": "https://access.redhat.com/errata/RHSA-2002:133"
      },
      {
        "category": "external",
        "summary": "http://online.securityfocus.com/bid/5100",
        "url": "http://online.securityfocus.com/bid/5100"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2002/rhsa-2002_133.json"
      }
    ],
    "title": "Red Hat Security Advisory: : Updated bind packages fix buffer overflow in resolver library",
    "tracking": {
      "current_release_date": "2025-11-21T17:24:53+00:00",
      "generator": {
        "date": "2025-11-21T17:24:53+00:00",
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      "id": "RHSA-2002:133",
      "initial_release_date": "2002-08-09T16:23:00+00:00",
      "revision_history": [
        {
          "date": "2002-08-09T16:23:00+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2002-07-01T00:00:00+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2025-11-21T17:24:53+00:00",
          "number": "3",
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                "product": {
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                    "cpe": "cpe:/o:redhat:linux:6.2"
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        }
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          "category": "description",
          "text": "Buffer overflow in the DNS resolver code used in libc, glibc, and libbind, as derived from ISC BIND, allows remote malicious DNS servers to cause a denial of service and possibly execute arbitrary code via the stub resolvers.",
          "title": "Vulnerability description"
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        }
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        },
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        }
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          "date": "2002-08-09T16:23:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade.  Only those\nRPMs which are currently installed will be updated.  Those RPMs which are\nnot installed but included in the list will not be updated.  Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network.  Many\npeople find this an easier way to apply updates.  To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
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            "Red Hat Linux 7.0",
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          "restart_required": {
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        }
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
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      "title": "security flaw"
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}

{
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      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Version 9 of ISC BIND, prior to version 9.2.1, contained a denial of\nservice (DoS) attack vulnerability.  Various versions of the ISC BIND\nresolver libraries are vulnerable to a buffer overflow attack.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "ISC BIND (Berkeley Internet Name Domain) is an implementation of the DNS \n(Domain Name System) protocols.  BIND includes a DNS server (named) --\nwhich resolves hostnames to IP addresses, a resolver library\n(routines for applications to use when interfacing with DNS), and\nvarious tools.\n\nVersions of BIND 9 prior to 9.2.1 have a bug that causes certain requests\nto the BIND name server to fail an internal consistency check, causing the\nname server to stop responding to requests.  This can be used by a remote\nattacker to cause a denial of service (DoS) attack against name servers. \nThe Common Vulnerabilities and Exposures project (cve.mitre.org) has\nassigned the name CAN-2002-0400 to this issue.\n\nA buffer overflow vulnerability exists in multiple implementations of DNS\nresolver libraries. Applications that utilize vulnerable DNS resolver\nlibraries may be affected. A remote attacker who is able to send malicious\nDNS responses could potentially exploit this vulnerability to execute\narbitrary code or cause a denial of service (DoS) attack on a vulnerable\nsystem. Red Hat Linux does not ship with any applications or libraries that\nlink against the BIND resolver libraries; however, third party code may be\naffected. (CAN-2002-0651)\n\nRed Hat Linux Advanced Server shipped with a version of ISC BIND vulnerable\nto both of these issues.  All users of BIND are advised to upgrade to the\nerrata packages containing BIND 9.2.1 which contains backported patches\nthat correct these issues.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
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    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2002:119",
        "url": "https://access.redhat.com/errata/RHSA-2002:119"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/#important",
        "url": "https://access.redhat.com/security/updates/classification/#important"
      },
      {
        "category": "external",
        "summary": "http://www.kb.cert.org/vuls/id/803539",
        "url": "http://www.kb.cert.org/vuls/id/803539"
      },
      {
        "category": "external",
        "summary": "http://online.securityfocus.com/bid/5100",
        "url": "http://online.securityfocus.com/bid/5100"
      },
      {
        "category": "external",
        "summary": "http://www.cert.org/advisories/CA-2002-19.html",
        "url": "http://www.cert.org/advisories/CA-2002-19.html"
      },
      {
        "category": "external",
        "summary": "http://www.cert.org/advisories/CA-2002-15.html",
        "url": "http://www.cert.org/advisories/CA-2002-15.html"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2002/rhsa-2002_119.json"
      }
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    "title": "Red Hat Security Advisory: bind security update",
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        {
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          "summary": "Initial version"
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        {
          "date": "2002-06-20T00:00:00+00:00",
          "number": "2",
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          "category": "description",
          "text": "ISC BIND 9 before 9.2.1 allows remote attackers to cause a denial of service (shutdown) via a malformed DNS packet that triggers an error condition that is not properly handled when the rdataset parameter to the dns_message_findtype() function in message.c is not NULL, aka DoS_findtype.",
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        },
        {
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        }
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616785"
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        {
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        },
        {
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      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
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      {
        "category": "summary",
        "text": "Updated glibc packages are available to fix two vulnerabilities in the\nresolver functions.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "The glibc package contains standard libraries which are used by\nmultiple programs on the system.\n\nA buffer overflow vulnerability has been found in the way the glibc\nresolver handles the resolution of network names and addresses via DNS (as\nper Internet RFC 1011).  Version 2.2.5 of glibc and earlier versions are\naffected.  A system would be vulnerable to this issue if the\n\"networks\" database in /etc/nsswitch.conf includes the \"dns\" entry.  By\ndefault, Red Hat Linux ships with \"networks\" set to \"files\" and\nis therefore not vulnerable to this issue.  (CAN-2002-0684)\n\nA second, related, issue is a bug in the glibc-compat packages,  which\nprovide compatibility for applications compiled against glibc version\n2.0.x.  Applications compiled against this version (such as those\ndistributed with early Red Hat Linux releases 5.0, 5.1, and 5.2) could also\nbe vulnerable to this issue.  (CAN-2002-0651)\n\nThese errata packages for Red Hat Linux 7.1 and 7.2 on the Itanium\narchitecture also include a fix for the strncpy implementation in some\nboundary cases.\n\nAll users should upgrade to these errata packages which contain patches to\nthe glibc and glibc-compat libraries and therefore are not vulnerable to\nthese issues.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
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      "contact_details": "https://access.redhat.com/security/team/contact/",
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        "summary": "https://access.redhat.com/errata/RHSA-2002:139",
        "url": "https://access.redhat.com/errata/RHSA-2002:139"
      },
      {
        "category": "external",
        "summary": "http://www.cert.org/advisories/CA-2002-19.html",
        "url": "http://www.cert.org/advisories/CA-2002-19.html"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2002/rhsa-2002_139.json"
      }
    ],
    "title": "Red Hat Security Advisory: : Updated glibc packages fix vulnerabilities in resolver",
    "tracking": {
      "current_release_date": "2025-11-21T17:24:55+00:00",
      "generator": {
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          "date": "2002-07-25T02:15:00+00:00",
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          "text": "Buffer overflow in the DNS resolver code used in libc, glibc, and libbind, as derived from ISC BIND, allows remote malicious DNS servers to cause a denial of service and possibly execute arbitrary code via the stub resolvers.",
          "title": "Vulnerability description"
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        }
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        }
      ],
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          "date": "2002-07-25T02:15:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade.  Only those\nRPMs which are currently installed will be updated.  Those RPMs which are\nnot installed but included in the list will not be updated.  Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network.  Many\npeople find this an easier way to apply updates.  To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
            "Red Hat Linux 6.2",
            "Red Hat Linux 7.0",
            "Red Hat Linux 7.1",
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          "url": "https://access.redhat.com/errata/RHSA-2002:139"
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1616795"
        }
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      "notes": [
        {
          "category": "description",
          "text": "Buffer overflow in DNS resolver functions that perform lookup of network names and addresses, as used in BIND 4.9.8 and ported to glibc 2.2.5 and earlier, allows remote malicious DNS servers to execute arbitrary code through a subroutine used by functions such as getnetbyname and getnetbyaddr.",
          "title": "Vulnerability description"
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616795"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2002-0684",
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        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0684",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0684"
        }
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      "release_date": "2002-06-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2002-07-25T02:15:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade.  Only those\nRPMs which are currently installed will be updated.  Those RPMs which are\nnot installed but included in the list will not be updated.  Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network.  Many\npeople find this an easier way to apply updates.  To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
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{
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    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
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      {
        "category": "summary",
        "text": "Updated glibc packages are available which fix a buffer overflow in the XDR\ndecoder and two vulnerabilities in the resolver functions.\n\n[updated 8 aug 2002]\nUpdated packages have been made available, as the original errata introduced\na bug which could cause calloc() to crash on 32-bit platforms when passed a\nsize of 0.  These updated errata packages contain a patch to correct this bug.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "The glibc package contains standard libraries which are used by\nmultiple programs on the system.  Sun RPC is a remote procedure call\nframework which allows clients to invoke procedures in a server process\nover a network.  XDR is a mechanism for encoding data structures for use\nwith RPC.  NFS, NIS, and other network services that are built upon Sun\nRPC.  The glibc package contains an XDR encoder/decoder derived from Sun\u0027s\nRPC implementation which was recently demonstrated to be vulnerable to a\nheap overflow.\n\nAn error in the calculation of memory needed for unpacking arrays in the\nXDR decoder can result in a heap buffer overflow in glibc 2.2.5 and\nearlier.  Depending upon the application, this vulnerability may be\nexploitable and could lead to arbitrary code execution.  (CAN-2002-0391)\n\nA buffer overflow vulnerability has been found in the way the glibc\nresolver handles the resolution of network names and addresses via DNS (as\nper Internet RFC 1011). Version 2.2.5 of glibc and earlier versions are\naffected. A system would be vulnerable to this issue if the\n\"networks\" database in the /etc/nsswitch.conf file includes the \"dns\"\nentry. By default, Red Hat Linux Advanced Server ships with \"networks\"\nset to \"files\" and is therefore not vulnerable to this issue.\n(CAN-2002-0684)\n\nA related issue is a bug in the glibc-compat packages, which\nprovide compatibility for applications compiled against glibc version\n2.0.x. Applications compiled against this version (such as those\ndistributed with early Red Hat Linux releases 5.0, 5.1, and 5.2) could also\nbe vulnerable to this issue. (CAN-2002-0651)\n\nAll users should upgrade to these errata packages which contain patches to\nthe glibc libraries and therefore are not vulnerable to these issues.\n\nThanks to Solar Designer for providing patches for this issue.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
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        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2002:167",
        "url": "https://access.redhat.com/errata/RHSA-2002:167"
      },
      {
        "category": "external",
        "summary": "http://online.securityfocus.com/archive/1/285308",
        "url": "http://online.securityfocus.com/archive/1/285308"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/#important",
        "url": "https://access.redhat.com/security/updates/classification/#important"
      },
      {
        "category": "external",
        "summary": "http://www.cert.org/advisories/CA-2002-19.html",
        "url": "http://www.cert.org/advisories/CA-2002-19.html"
      },
      {
        "category": "external",
        "summary": "http://sources.redhat.com/ml/libc-hacker/2002-08/msg00093.html",
        "url": "http://sources.redhat.com/ml/libc-hacker/2002-08/msg00093.html"
      },
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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2002/rhsa-2002_167.json"
      }
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    "title": "Red Hat Security Advisory: glibc security update",
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          "text": "Buffer overflow in the DNS resolver code used in libc, glibc, and libbind, as derived from ISC BIND, allows remote malicious DNS servers to cause a denial of service and possibly execute arbitrary code via the stub resolvers.",
          "title": "Vulnerability description"
        },
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        {
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0651"
        }
      ],
      "release_date": "2002-06-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2002-08-06T07:25:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network.  To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
            "Red Hat Enterprise Linux AS (Advanced Server) version 2.1 "
          ],
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            "category": "none"
          },
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        }
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        {
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
        }
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          "url": "https://access.redhat.com/security/cve/CVE-2002-0684"
        },
        {
          "category": "external",
          "summary": "RHBZ#1616795",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616795"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2002-0684",
          "url": "https://www.cve.org/CVERecord?id=CVE-2002-0684"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0684",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0684"
        }
      ],
      "release_date": "2002-06-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2002-08-06T07:25:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network.  To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
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      "text": "Important"
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    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
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      {
        "category": "summary",
        "text": "Updated glibc packages are available to fix two vulnerabilities in the\nresolver functions.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "The glibc package contains standard libraries which are used by\nmultiple programs on the system.\n\nA buffer overflow vulnerability has been found in the way the glibc\nresolver handles the resolution of network names and addresses via DNS (as\nper Internet RFC 1011).  Version 2.2.5 of glibc and earlier versions are\naffected.  A system would be vulnerable to this issue if the\n\"networks\" database in /etc/nsswitch.conf includes the \"dns\" entry.  By\ndefault, Red Hat Linux ships with \"networks\" set to \"files\" and\nis therefore not vulnerable to this issue.  (CAN-2002-0684)\n\nA second, related, issue is a bug in the glibc-compat packages,  which\nprovide compatibility for applications compiled against glibc version\n2.0.x.  Applications compiled against this version (such as those\ndistributed with early Red Hat Linux releases 5.0, 5.1, and 5.2) could also\nbe vulnerable to this issue.  (CAN-2002-0651)\n\nThese errata packages for Red Hat Linux 7.1 and 7.2 on the Itanium\narchitecture also include a fix for the strncpy implementation in some\nboundary cases.\n\nAll users should upgrade to these errata packages which contain patches to\nthe glibc and glibc-compat libraries and therefore are not vulnerable to\nthese issues.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
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      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2002:139",
        "url": "https://access.redhat.com/errata/RHSA-2002:139"
      },
      {
        "category": "external",
        "summary": "http://www.cert.org/advisories/CA-2002-19.html",
        "url": "http://www.cert.org/advisories/CA-2002-19.html"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2002/rhsa-2002_139.json"
      }
    ],
    "title": "Red Hat Security Advisory: : Updated glibc packages fix vulnerabilities in resolver",
    "tracking": {
      "current_release_date": "2024-11-21T22:26:48+00:00",
      "generator": {
        "date": "2024-11-21T22:26:48+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.2.1"
        }
      },
      "id": "RHSA-2002:139",
      "initial_release_date": "2002-07-25T02:15:00+00:00",
      "revision_history": [
        {
          "date": "2002-07-25T02:15:00+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2002-07-11T00:00:00+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-11-21T22:26:48+00:00",
          "number": "3",
          "summary": "Last generated version"
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      ],
      "status": "final",
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    }
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                "product": {
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              {
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      ],
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        {
          "category": "description",
          "text": "Buffer overflow in the DNS resolver code used in libc, glibc, and libbind, as derived from ISC BIND, allows remote malicious DNS servers to cause a denial of service and possibly execute arbitrary code via the stub resolvers.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
        }
      ],
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          "Red Hat Linux 7.0",
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          "url": "https://access.redhat.com/security/cve/CVE-2002-0651"
        },
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616785"
        },
        {
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2002-0651",
          "url": "https://www.cve.org/CVERecord?id=CVE-2002-0651"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0651",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0651"
        }
      ],
      "release_date": "2002-06-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2002-07-25T02:15:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade.  Only those\nRPMs which are currently installed will be updated.  Those RPMs which are\nnot installed but included in the list will not be updated.  Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network.  Many\npeople find this an easier way to apply updates.  To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
            "Red Hat Linux 6.2",
            "Red Hat Linux 7.0",
            "Red Hat Linux 7.1",
            "Red Hat Linux 7.2",
            "Red Hat Linux 7.3"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2002:139"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
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      "title": "security flaw"
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    {
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1616795"
        }
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        {
          "category": "description",
          "text": "Buffer overflow in DNS resolver functions that perform lookup of network names and addresses, as used in BIND 4.9.8 and ported to glibc 2.2.5 and earlier, allows remote malicious DNS servers to execute arbitrary code through a subroutine used by functions such as getnetbyname and getnetbyaddr.",
          "title": "Vulnerability description"
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          "category": "external",
          "summary": "RHBZ#1616795",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616795"
        },
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2002-0684",
          "url": "https://www.cve.org/CVERecord?id=CVE-2002-0684"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0684",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0684"
        }
      ],
      "release_date": "2002-06-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2002-07-25T02:15:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade.  Only those\nRPMs which are currently installed will be updated.  Those RPMs which are\nnot installed but included in the list will not be updated.  Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network.  Many\npeople find this an easier way to apply updates.  To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
            "Red Hat Linux 6.2",
            "Red Hat Linux 7.0",
            "Red Hat Linux 7.1",
            "Red Hat Linux 7.2",
            "Red Hat Linux 7.3"
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        }
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}

{
  "document": {
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      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Updated glibc packages are available which fix a buffer overflow in the XDR\ndecoder and two vulnerabilities in the resolver functions.\n\n[updated 8 aug 2002]\nUpdated packages have been made available, as the original errata introduced\na bug which could cause calloc() to crash on 32-bit platforms when passed a\nsize of 0.  These updated errata packages contain a patch to correct this bug.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "The glibc package contains standard libraries which are used by\nmultiple programs on the system.  Sun RPC is a remote procedure call\nframework which allows clients to invoke procedures in a server process\nover a network.  XDR is a mechanism for encoding data structures for use\nwith RPC.  NFS, NIS, and other network services that are built upon Sun\nRPC.  The glibc package contains an XDR encoder/decoder derived from Sun\u0027s\nRPC implementation which was recently demonstrated to be vulnerable to a\nheap overflow.\n\nAn error in the calculation of memory needed for unpacking arrays in the\nXDR decoder can result in a heap buffer overflow in glibc 2.2.5 and\nearlier.  Depending upon the application, this vulnerability may be\nexploitable and could lead to arbitrary code execution.  (CAN-2002-0391)\n\nA buffer overflow vulnerability has been found in the way the glibc\nresolver handles the resolution of network names and addresses via DNS (as\nper Internet RFC 1011). Version 2.2.5 of glibc and earlier versions are\naffected. A system would be vulnerable to this issue if the\n\"networks\" database in the /etc/nsswitch.conf file includes the \"dns\"\nentry. By default, Red Hat Linux Advanced Server ships with \"networks\"\nset to \"files\" and is therefore not vulnerable to this issue.\n(CAN-2002-0684)\n\nA related issue is a bug in the glibc-compat packages, which\nprovide compatibility for applications compiled against glibc version\n2.0.x. Applications compiled against this version (such as those\ndistributed with early Red Hat Linux releases 5.0, 5.1, and 5.2) could also\nbe vulnerable to this issue. (CAN-2002-0651)\n\nAll users should upgrade to these errata packages which contain patches to\nthe glibc libraries and therefore are not vulnerable to these issues.\n\nThanks to Solar Designer for providing patches for this issue.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
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    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
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      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
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      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2002:167",
        "url": "https://access.redhat.com/errata/RHSA-2002:167"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/#important",
        "url": "https://access.redhat.com/security/updates/classification/#important"
      },
      {
        "category": "external",
        "summary": "http://online.securityfocus.com/archive/1/285308",
        "url": "http://online.securityfocus.com/archive/1/285308"
      },
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        "summary": "Canonical URL",
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          "category": "description",
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          "category": "description",
          "text": "Buffer overflow in DNS resolver functions that perform lookup of network names and addresses, as used in BIND 4.9.8 and ported to glibc 2.2.5 and earlier, allows remote malicious DNS servers to execute arbitrary code through a subroutine used by functions such as getnetbyname and getnetbyaddr.",
          "title": "Vulnerability description"
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        {
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          "url": "https://access.redhat.com/security/cve/CVE-2002-0684"
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          "category": "external",
          "summary": "RHBZ#1616795",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616795"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2002-0684",
          "url": "https://www.cve.org/CVERecord?id=CVE-2002-0684"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0684",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0684"
        }
      ],
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          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network.  To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
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    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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        "url": "https://www.first.org/tlp/"
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    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Various versions of the ISC BIND resolver libraries are vulnerable to a\nbuffer overflow attack.  Updated BIND packages are now available to fix\nthis issue.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "ISC BIND (Berkeley Internet Name Domain) is an implementation of the DNS\n(Domain Name System) protocols. BIND includes a DNS server (named),\nwhich resolves host names to IP addresses; a resolver library\n(routines for applications to use when interfacing with DNS); and\nvarious tools.\n \nA buffer overflow vulnerability exists in multiple implementations of DNS\nresolver libraries.  Applications that utilize vulnerable DNS resolver\nlibraries may be affected.  A remote attacker who is able to send malicious\nDNS responses could potentially exploit this vulnerability to execute\narbitrary code or cause a denial of service on a vulnerable system. \n\nRed Hat Linux does not ship with any applications or libraries that link \nagainst the BIND resolver libraries; however, third party code may be affected.\n\nThe updated bind packages included in this errata contain the patches from\n8.3.3 which fix the buffer overflow applied (backported) to the 9.2.1 sources.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
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      "name": "Red Hat Product Security",
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      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2002:133",
        "url": "https://access.redhat.com/errata/RHSA-2002:133"
      },
      {
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        "url": "http://online.securityfocus.com/bid/5100"
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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2002/rhsa-2002_133.json"
      }
    ],
    "title": "Red Hat Security Advisory: : Updated bind packages fix buffer overflow in resolver library",
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          "title": "Vulnerability description"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2002-0651",
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        },
        {
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0651",
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        }
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          "date": "2002-08-09T16:23:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade.  Only those\nRPMs which are currently installed will be updated.  Those RPMs which are\nnot installed but included in the list will not be updated.  Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network.  Many\npeople find this an easier way to apply updates.  To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
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    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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        "category": "summary",
        "text": "Updated BIND packages that fix a number of vulnerabilities are now\navailable for Red Hat Linux on IBM iSeries and pSeries systems.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "ISC BIND (Berkeley Internet Name Domain) is an implementation of the DNS\n(Domain Name System) protocols. BIND includes a DNS server (named),\nwhich resolves host names to IP addresses; a resolver library\n(routines for applications to use when interfacing with DNS); and\nvarious tools.\n \nA buffer overflow vulnerability exists in multiple implementations of the\nDNS resolver libraries.  Applications that utilize vulnerable DNS resolver\nlibraries may be affected.  A remote attacker who is able to send malicious\nDNS responses could potentially exploit this vulnerability to execute\narbitrary code or cause a denial of service on a vulnerable system. \n\nRed Hat Linux does not ship with any applications or libraries that link \nagainst the BIND resolver libraries; however, third party code may be affected.\n\nVersions of BIND 9 prior to 9.2.1 have a bug that causes certain requests\nto the BIND name server (named) to fail an internal consistency check,\ncausing the name server to stop responding to requests.  This can be used\nby a remote attacker to cause a denial of service (DOS) attack against name\nservers.\n\nThe updated bind packages included in this errata contain Bind 9.2.1 with\nthe addition of backported patches and is not vulnerable to these issues.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
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        "url": "https://access.redhat.com/errata/RHSA-2003:154"
      },
      {
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        "summary": "http://online.securityfocus.com/bid/5100",
        "url": "http://online.securityfocus.com/bid/5100"
      },
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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_154.json"
      }
    ],
    "title": "Red Hat Security Advisory: : : : Updated bind packages fix buffer overflow in resolver library",
    "tracking": {
      "current_release_date": "2025-11-21T17:26:01+00:00",
      "generator": {
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      "revision_history": [
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        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1616774"
        }
      ],
      "notes": [
        {
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          "text": "ISC BIND 9 before 9.2.1 allows remote attackers to cause a denial of service (shutdown) via a malformed DNS packet that triggers an error condition that is not properly handled when the rdataset parameter to the dns_message_findtype() function in message.c is not NULL, aka DoS_findtype.",
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        "text": "Version 9 of ISC BIND, prior to version 9.2.1, contained a denial of\nservice (DoS) attack vulnerability.  Various versions of the ISC BIND\nresolver libraries are vulnerable to a buffer overflow attack.",
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        "text": "ISC BIND (Berkeley Internet Name Domain) is an implementation of the DNS \n(Domain Name System) protocols.  BIND includes a DNS server (named) --\nwhich resolves hostnames to IP addresses, a resolver library\n(routines for applications to use when interfacing with DNS), and\nvarious tools.\n\nVersions of BIND 9 prior to 9.2.1 have a bug that causes certain requests\nto the BIND name server to fail an internal consistency check, causing the\nname server to stop responding to requests.  This can be used by a remote\nattacker to cause a denial of service (DoS) attack against name servers. \nThe Common Vulnerabilities and Exposures project (cve.mitre.org) has\nassigned the name CAN-2002-0400 to this issue.\n\nA buffer overflow vulnerability exists in multiple implementations of DNS\nresolver libraries. Applications that utilize vulnerable DNS resolver\nlibraries may be affected. A remote attacker who is able to send malicious\nDNS responses could potentially exploit this vulnerability to execute\narbitrary code or cause a denial of service (DoS) attack on a vulnerable\nsystem. Red Hat Linux does not ship with any applications or libraries that\nlink against the BIND resolver libraries; however, third party code may be\naffected. (CAN-2002-0651)\n\nRed Hat Linux Advanced Server shipped with a version of ISC BIND vulnerable\nto both of these issues.  All users of BIND are advised to upgrade to the\nerrata packages containing BIND 9.2.1 which contains backported patches\nthat correct these issues.",
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        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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