Vulnerability-Lookup

alsa-2026:0728

Vulnerability from osv_almalinux

Published

2026-01-15 00:00

Modified

2026-01-16 08:41

Summary

Important: gnupg2 security update

Details

The GNU Privacy Guard (GnuPG or GPG) is a tool for encrypting data and creating digital signatures, compliant with OpenPGP and S/MIME standards.

Security Fix(es):

GnuPG: GnuPG: Information disclosure and potential arbitrary code execution via out-of-bounds write (CVE-2025-68973)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "gnupg2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.20-4.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "gnupg2-smime"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.20-4.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The GNU Privacy Guard (GnuPG or GPG) is a tool for encrypting data and creating digital signatures, compliant with OpenPGP and S/MIME standards.  \n\nSecurity Fix(es):  \n\n  * GnuPG: GnuPG: Information disclosure and potential arbitrary code execution via out-of-bounds write (CVE-2025-68973)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2026:0728",
  "modified": "2026-01-16T08:41:48Z",
  "published": "2026-01-15T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:0728"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-68973"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2425966"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-0728.html"
    }
  ],
  "related": [
    "CVE-2025-68973"
  ],
  "summary": "Important: gnupg2 security update"
}

CVE-2025-68973 (GCVE-0-2025-68973)

Vulnerability from cvelistv5 – Published: 2025-12-28 16:19 – Updated: 2026-01-14 19:04

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.)

Severity ?

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

CWE

CWE-675 - Multiple Operations on Resource in Single-Operation Context

Assigner

mitre

References

URL

Tags

	https://gpg.fail/memcpy
	https://news.ycombinator.com/item?id=46403200
	https://www.openwall.com/lists/oss-security/2025/…
	https://github.com/gpg/gnupg/commit/115d138ba5993…
	https://github.com/gpg/gnupg/blob/ff30683418695f5…
	https://github.com/gpg/gnupg/compare/gnupg-2.2.50…
	https://media.ccc.de/v/39c3-to-sign-or-not-to-sig…

Impacted products

	Vendor	Product	Version
	GnuPG	GnuPG	Affected: 0 , < 2.2.51 (semver) Affected: 2.3.0 , < 2.4.9 (semver)

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

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.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

Action not permitted