github - ghsa-53h7-g6w8-rxxc

ghsa-53h7-g6w8-rxxc

Vulnerability from github

Published

2025-12-31 03:30

Modified

2025-12-31 03:30

Severity ?

1.9 (Low) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N

Details

On Windows only, if libpcap needs to convert a Windows error message to UTF-8 and the message includes characters that UTF-8 represents using 4 bytes, utf_16le_to_utf_8_truncated() can write data beyond the end of the provided buffer.

Show details on source website

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-11964"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-31T01:15:54Z",
    "severity": "LOW"
  },
  "details": "On Windows only, if libpcap needs to convert a Windows error message to UTF-8 and the message includes characters that UTF-8 represents using 4 bytes, utf_16le_to_utf_8_truncated() can write data beyond the end of the provided buffer.",
  "id": "GHSA-53h7-g6w8-rxxc",
  "modified": "2025-12-31T03:30:34Z",
  "published": "2025-12-31T03:30:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-11964"
    },
    {
      "type": "WEB",
      "url": "https://github.com/the-tcpdump-group/libpcap/commit/7fabf607f2319a36a0bd78444247180acb838e69"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-11964 (GCVE-0-2025-11964)

Vulnerability from cvelistv5

Published

2025-12-31 00:58

Modified

2025-12-31 00:58

Severity ?

1.9 (Low) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N

CWE

CWE-787 - Out-of-bounds Write

Summary

On Windows only, if libpcap needs to convert a Windows error message to UTF-8 and the message includes characters that UTF-8 represents using 4 bytes, utf_16le_to_utf_8_truncated() can write data beyond the end of the provided buffer.

References

URL

Tags

https://github.com/the-tcpdump-group/libpcap/commit/7fabf607f2319a36a0bd78444247180acb838e69

patch

Impacted products

	Vendor	Product	Version
	The Tcpdump Group	libpcap	Version: 1.10.0 ≤

Show details on NVD website

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "libpcap",
          "programFiles": [
            "fmtutils.c"
          ],
          "programRoutines": [
            {
              "name": "utf_16le_to_utf_8_truncated()"
            }
          ],
          "repo": "https://github.com/the-tcpdump-group/libpcap/",
          "vendor": "The Tcpdump Group",
          "versions": [
            {
              "lessThan": "1.10.6",
              "status": "affected",
              "version": "1.10.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Aniruddhan Murali"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "Noble Saji Mathews"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "Mahmoud Alfadel"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "Mei Nagappan"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "Meng Xu"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "On Windows only, if libpcap needs to convert a Windows error message to UTF-8 and the message includes characters that UTF-8 represents using 4 bytes, utf_16le_to_utf_8_truncated() can write data beyond the end of the provided buffer."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 1.9,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787 Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-31T00:58:19.026Z",
        "orgId": "cfdbb673-b408-4d03-89c1-c3d73ed80896",
        "shortName": "Tcpdump"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/the-tcpdump-group/libpcap/commit/7fabf607f2319a36a0bd78444247180acb838e69"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "libpcap 1.10.6 includes a fix for this bug."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "OOBW in utf_16le_to_utf_8_truncated() in libpcap"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cfdbb673-b408-4d03-89c1-c3d73ed80896",
    "assignerShortName": "Tcpdump",
    "cveId": "CVE-2025-11964",
    "datePublished": "2025-12-31T00:58:19.026Z",
    "dateReserved": "2025-10-20T14:43:15.180Z",
    "dateUpdated": "2025-12-31T00:58:19.026Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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