CVE-2025-68973

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-68973
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-28 17:16:01 UTC
Updated2026-10-13 09:10:00 UTC
DescriptionIn 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.)

Risk And Classification

Primary CVSS: v3.1 7 HIGH from [email protected]

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

Problem Types: CWE-675 | CWE-787 | CWE-675 CWE-675 Multiple Operations on Resource in Single-Operation Context

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary7.8HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
3.1CNACVSS7.8HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gnupg Gnupg All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA GnuPG GnuPG affected 2.2.51 semver Not specified
CNA GnuPG GnuPG affected 2.3.0 2.4.9 semver Not specified

References

ReferenceSourceLinkTags
github.com/gpg/gnupg/blob/ff30683418695f5d2cc9e6cf8c9418e09378ebe4/g10/a... [email protected] github.com Product
media.ccc.de/v/39c3-to-sign-or-not-to-sign-practical-vulnerabilities-i [email protected] media.ccc.de Issue Tracking
news.ycombinator.com/item [email protected] news.ycombinator.com Issue Tracking
lists.debian.org/debian-lts-announce/2026/01/msg00008.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
github.com/gpg/gnupg/compare/gnupg-2.2.50...gnupg-2.2.51 [email protected] github.com Patch
gpg.fail/memcpy 134c704f-9b21-4f2e-91b3-4a467353bcc0 gpg.fail Broken Link
github.com/gpg/gnupg/commit/115d138ba599328005c5321c0ef9f00355838ca9 [email protected] github.com Patch
www.openwall.com/lists/oss-security/2025/12/28/5 [email protected] www.openwall.com Mailing List
www.openwall.com/lists/oss-security/2025/12/29/11 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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