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    4 vulnerabilities found for Data::RoaringBitmap::Shared by EGOR

    CVE-2026-65065 (GCVE-0-2026-65065)

    Vulnerability from nvd – Published: 2026-07-21 19:08 – Updated: 2026-07-27 14:07
    VLAI
    Title
    Data::RoaringBitmap::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW
    Summary
    Data::RoaringBitmap::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW. The segment is created in roaring.h with open(path, O_RDWR|O_CREAT, 0666). The mode is 0666, so under the default umask 022 the file is created mode 0644 (world-readable). O_NOFOLLOW is absent, so a symlink planted at the path is followed, and O_EXCL is absent, so the open silently uses a pre-planted file instead of failing. A "Shared" segment naturally lives in a shared directory such as /tmp or /dev/shm, where any local user can read the IPC payloads stored in the world-readable segment, and a pre-planted file or symlink at the path lets a local attacker win a pre-creation race or redirect the open.
    Severity
    5.5 (Medium)
    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-732 - Incorrect Permission Assignment for Critical Resource
    • CWE-59 - Improper Link Resolution Before File Access
    Assigner
    References
    Impacted products
    Vendor Product Version
    EGOR Data::RoaringBitmap::Shared Affected: 0 , < 0.02 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
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              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
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              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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                "timestamp": "2026-07-23T13:04:12.104368Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
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          "programFiles": [
            "roaring.h"
          ],
          "repo": "https://github.com/vividsnow/perl5-data-roaringbitmap-shared",
          "vendor": "EGOR",
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            {
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              "status": "affected",
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        {
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        }
      ],
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          "descriptions": [
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              "description": "CWE-732 Incorrect Permission Assignment for Critical Resource",
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              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-59",
              "description": "CWE-59 Improper Link Resolution Before File Access",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
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        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
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          "url": "https://metacpan.org/release/EGOR/Data-RoaringBitmap-Shared-0.02/diff/EGOR/Data-RoaringBitmap-Shared-0.01#roaring.h"
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        {
          "lang": "en",
          "value": "Upgrade to Data::RoaringBitmap::Shared 0.02 or later, which creates the backing file mode 0600 (owner-only) with O_EXCL and O_NOFOLLOW."
        }
      ],
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        "discovery": "UNKNOWN"
      },
      "title": "Data::RoaringBitmap::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW",
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  },
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}

    CVE-2026-59143 (GCVE-0-2026-59143)

    Vulnerability from nvd – Published: 2026-07-21 19:04 – Updated: 2026-07-23 12:14
    VLAI
    Title
    Data::RoaringBitmap::Shared versions before 0.02 for Perl allow an out-of-bounds read via an unvalidated container offset and cardinality in rb_contains_locked
    Summary
    Data::RoaringBitmap::Shared versions before 0.02 for Perl allow an out-of-bounds read via an unvalidated container offset and cardinality in rb_contains_locked. The attach-time validator rb_validate_header checks the header scalars and region layout against the file size, but does not validate the bucket contents it then trusts. rb_contains_locked forms a container pointer as pool + container_off * 8192 from a raw file-stored offset and then searches over a file-stored cardinality, neither bounded against the container pool capacity or the fixed 8192-byte slot size. A local peer that can write the backing file can leave the header valid while poisoning a bucket, so the next membership query dereferences a file-controlled wild pointer and scans a file-controlled count, reading adjacent memory or crashing the process.
    Severity
    6.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    EGOR Data::RoaringBitmap::Shared Affected: 0 , < 0.02 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
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              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
              "version": "3.1"
            }
          },
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              "content": {
                "id": "CVE-2026-59143",
                "options": [
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                "timestamp": "2026-07-23T12:14:09.488223Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          }
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        "providerMetadata": {
          "dateUpdated": "2026-07-23T12:14:48.600Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
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          ],
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            }
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          "versions": [
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              "status": "affected",
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          "lang": "en",
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "cweId": "CWE-125",
              "description": "CWE-125 Out-of-bounds Read",
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          ]
        }
      ],
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        "dateUpdated": "2026-07-21T19:04:04.057Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
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      },
      "references": [
        {
          "url": "https://metacpan.org/release/EGOR/Data-RoaringBitmap-Shared-0.02/diff/EGOR/Data-RoaringBitmap-Shared-0.01#roaring.h"
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        "discovery": "UNKNOWN"
      },
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    "dateReserved": "2026-07-02T16:24:17.912Z",
    "dateUpdated": "2026-07-23T12:14:48.600Z",
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  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-65065 (GCVE-0-2026-65065)

    Vulnerability from cvelistv5 – Published: 2026-07-21 19:08 – Updated: 2026-07-27 14:07
    VLAI
    Title
    Data::RoaringBitmap::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW
    Summary
    Data::RoaringBitmap::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW. The segment is created in roaring.h with open(path, O_RDWR|O_CREAT, 0666). The mode is 0666, so under the default umask 022 the file is created mode 0644 (world-readable). O_NOFOLLOW is absent, so a symlink planted at the path is followed, and O_EXCL is absent, so the open silently uses a pre-planted file instead of failing. A "Shared" segment naturally lives in a shared directory such as /tmp or /dev/shm, where any local user can read the IPC payloads stored in the world-readable segment, and a pre-planted file or symlink at the path lets a local attacker win a pre-creation race or redirect the open.
    Severity
    5.5 (Medium)
    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-732 - Incorrect Permission Assignment for Critical Resource
    • CWE-59 - Improper Link Resolution Before File Access
    Assigner
    References
    Impacted products
    Vendor Product Version
    EGOR Data::RoaringBitmap::Shared Affected: 0 , < 0.02 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
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              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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                "options": [
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                "version": "2.0.3"
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          "shortName": "CISA-ADP"
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        "discovery": "UNKNOWN"
      },
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    "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
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    CVE-2026-59143 (GCVE-0-2026-59143)

    Vulnerability from cvelistv5 – Published: 2026-07-21 19:04 – Updated: 2026-07-23 12:14
    VLAI
    Title
    Data::RoaringBitmap::Shared versions before 0.02 for Perl allow an out-of-bounds read via an unvalidated container offset and cardinality in rb_contains_locked
    Summary
    Data::RoaringBitmap::Shared versions before 0.02 for Perl allow an out-of-bounds read via an unvalidated container offset and cardinality in rb_contains_locked. The attach-time validator rb_validate_header checks the header scalars and region layout against the file size, but does not validate the bucket contents it then trusts. rb_contains_locked forms a container pointer as pool + container_off * 8192 from a raw file-stored offset and then searches over a file-stored cardinality, neither bounded against the container pool capacity or the fixed 8192-byte slot size. A local peer that can write the backing file can leave the header valid while poisoning a bucket, so the next membership query dereferences a file-controlled wild pointer and scans a file-controlled count, reading adjacent memory or crashing the process.
    Severity
    6.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    EGOR Data::RoaringBitmap::Shared Affected: 0 , < 0.02 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
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          {
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              "attackVector": "NETWORK",
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              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
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            }
          },
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                "id": "CVE-2026-59143",
                "options": [
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                "timestamp": "2026-07-23T12:14:09.488223Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-23T12:14:48.600Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "Data-RoaringBitmap-Shared",
          "product": "Data::RoaringBitmap::Shared",
          "programFiles": [
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          ],
          "programRoutines": [
            {
              "name": "rb_contains_locked"
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          ],
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        {
          "lang": "en",
          "value": "Data::RoaringBitmap::Shared versions before 0.02 for Perl allow an out-of-bounds read via an unvalidated container offset and cardinality in rb_contains_locked.\n\nThe attach-time validator rb_validate_header checks the header scalars and region layout against the file size, but does not validate the bucket contents it then trusts. rb_contains_locked forms a container pointer as pool + container_off * 8192 from a raw file-stored offset and then searches over a file-stored cardinality, neither bounded against the container pool capacity or the fixed 8192-byte slot size.\n\nA local peer that can write the backing file can leave the header valid while poisoning a bucket, so the next membership query dereferences a file-controlled wild pointer and scans a file-controlled count, reading adjacent memory or crashing the process."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125 Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-21T19:04:04.057Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "shortName": "CPANSec"
      },
      "references": [
        {
          "url": "https://metacpan.org/release/EGOR/Data-RoaringBitmap-Shared-0.02/diff/EGOR/Data-RoaringBitmap-Shared-0.01#roaring.h"
        },
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://metacpan.org/release/EGOR/Data-RoaringBitmap-Shared-0.02/changes"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to Data::RoaringBitmap::Shared 0.02 or later, which clamps an out-of-range container offset to the empty sentinel and caps the cardinality at the slot capacity."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Data::RoaringBitmap::Shared versions before 0.02 for Perl allow an out-of-bounds read via an unvalidated container offset and cardinality in rb_contains_locked",
      "workarounds": [
        {
          "lang": "en",
          "value": "For deployments that cannot upgrade to 0.02, place the backing file in a directory writable only by the owning user, so a local peer cannot tamper with the buckets the query path reads."
        }
      ],
      "x_generator": {
        "engine": "cpansec-cna-tool 0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
    "assignerShortName": "CPANSec",
    "cveId": "CVE-2026-59143",
    "datePublished": "2026-07-21T19:04:04.057Z",
    "dateReserved": "2026-07-02T16:24:17.912Z",
    "dateUpdated": "2026-07-23T12:14:48.600Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}