FKIE_CVE-2025-68973

Vulnerability from fkie_nvd - Published: 2025-12-28 17:16 - Updated: 2026-01-14 19:16
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In GnuPG before 2.4.9, armor_filter in g10/armor.c has two increments of an index variable where one is intended, leading to an out-of-bounds write for crafted input. (For ExtendedLTS, 2.2.51 and later are fixed versions.)
References
cve@mitre.orghttps://github.com/gpg/gnupg/blob/ff30683418695f5d2cc9e6cf8c9418e09378ebe4/g10/armor.c#L1305-L1306Product
cve@mitre.orghttps://github.com/gpg/gnupg/commit/115d138ba599328005c5321c0ef9f00355838ca9Patch
cve@mitre.orghttps://github.com/gpg/gnupg/compare/gnupg-2.2.50...gnupg-2.2.51Patch
cve@mitre.orghttps://gpg.fail/memcpyBroken Link
cve@mitre.orghttps://media.ccc.de/v/39c3-to-sign-or-not-to-sign-practical-vulnerabilities-iIssue Tracking
cve@mitre.orghttps://news.ycombinator.com/item?id=46403200Issue Tracking
cve@mitre.orghttps://www.openwall.com/lists/oss-security/2025/12/28/5Mailing List
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/12/29/11Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2026/01/msg00008.html
134c704f-9b21-4f2e-91b3-4a467353bcc0https://gpg.fail/memcpyBroken Link
Impacted products
Vendor Product Version
gnupg gnupg *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gnupg:gnupg:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "8D4239B3-0B8A-4E14-9E33-DD52A3F8FF25",
              "versionEndIncluding": "2.4.8",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In GnuPG before 2.4.9, armor_filter in g10/armor.c has two increments of an index variable where one is intended, leading to an out-of-bounds write for crafted input. (For ExtendedLTS, 2.2.51 and later are fixed versions.)"
    }
  ],
  "id": "CVE-2025-68973",
  "lastModified": "2026-01-14T19:16:46.857",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
          "version": "3.1"
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        "source": "cve@mitre.org",
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  "published": "2025-12-28T17:16:01.500",
  "references": [
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      "tags": [
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      "url": "https://github.com/gpg/gnupg/blob/ff30683418695f5d2cc9e6cf8c9418e09378ebe4/g10/armor.c#L1305-L1306"
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    },
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      "tags": [
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    },
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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      "url": "https://gpg.fail/memcpy"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-675"
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    {
      "description": [
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          "lang": "en",
          "value": "CWE-787"
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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