GHSA-W829-6HPW-FRJF

Vulnerability from github – Published: 2022-05-24 16:55 – Updated: 2025-05-30 21:30
VLAI?
Details

In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2019-15903"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-09-04T06:15:00Z",
    "severity": "HIGH"
  },
  "details": "In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.",
  "id": "GHSA-w829-6hpw-frjf",
  "modified": "2025-05-30T21:30:53Z",
  "published": "2022-05-24T16:55:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-15903"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libexpat/libexpat/issues/317"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libexpat/libexpat/issues/342"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libexpat/libexpat/pull/318"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libexpat/libexpat/commit/c20b758c332d9a13afbbb276d30db1d183a85d43"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2019:3210"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20190926-0004"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/kb/HT210785"
    },
    {
      "type": "WEB",
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    {
      "type": "WEB",
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    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/kb/HT210790"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/kb/HT210793"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/kb/HT210794"
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    {
      "type": "WEB",
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    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4132-1"
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    {
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      "url": "https://usn.ubuntu.com/4132-2"
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    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4165-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4202-1"
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    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4335-1"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2019/dsa-4530"
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    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2019/dsa-4549"
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    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2019/dsa-4571"
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    {
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      "url": "https://www.oracle.com/security-alerts/cpuapr2020.html"
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    {
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    {
      "type": "WEB",
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    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2019:3237"
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      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2019:3756"
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    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00006.html"
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    {
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      "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00017.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A4TZKPJFTURRLXIGLB34WVKQ5HGY6JJA"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BDUTI5TVQWIGGQXPEVI4T2ENHFSBMIBP"
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    {
      "type": "WEB",
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    },
    {
      "type": "WEB",
      "url": "https://seclists.org/bugtraq/2019/Dec/17"
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    {
      "type": "WEB",
      "url": "https://seclists.org/bugtraq/2019/Dec/21"
    },
    {
      "type": "WEB",
      "url": "https://seclists.org/bugtraq/2019/Dec/23"
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      "type": "WEB",
      "url": "https://seclists.org/bugtraq/2019/Nov/1"
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    {
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    {
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      "url": "https://seclists.org/bugtraq/2019/Oct/29"
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    {
      "type": "WEB",
      "url": "https://seclists.org/bugtraq/2019/Sep/30"
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    {
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      "url": "https://seclists.org/bugtraq/2019/Sep/37"
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    {
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      "url": "https://security.gentoo.org/glsa/201911-08"
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00080.html"
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00081.html"
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00013.html"
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00016.html"
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00017.html"
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00019.html"
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    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00008.html"
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    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/154503/Slackware-Security-Advisory-expat-Updates.html"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/154927/Slackware-Security-Advisory-python-Updates.html"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/154947/Slackware-Security-Advisory-mozilla-firefox-Updates.html"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2019/Dec/23"
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    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2019/Dec/26"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2019/Dec/27"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2019/Dec/30"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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