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CVE Vulnerability Details :
CVE-2025-68973
PUBLISHED
More InfoOfficial Page
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
View Known Exploited Vulnerability (KEV) details
Published At-28 Dec, 2025 | 16:19
Updated At-14 Jan, 2026 | 19:04
Rejected At-
▼CVE Numbering Authority (CNA)

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.)

Affected Products
Vendor
GnuPG
Product
GnuPG
Default Status
unknown
Versions
Affected
  • From 0 before 2.2.51 (semver)
  • From 2.3.0 before 2.4.9 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-675CWE-675 Multiple Operations on Resource in Single-Operation Context
Type: CWE
CWE ID: CWE-675
Description: CWE-675 Multiple Operations on Resource in Single-Operation Context
Metrics
VersionBase scoreBase severityVector
3.17.8HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://gpg.fail/memcpy
N/A
https://news.ycombinator.com/item?id=46403200
N/A
https://www.openwall.com/lists/oss-security/2025/12/28/5
N/A
https://github.com/gpg/gnupg/commit/115d138ba599328005c5321c0ef9f00355838ca9
N/A
https://github.com/gpg/gnupg/blob/ff30683418695f5d2cc9e6cf8c9418e09378ebe4/g10/armor.c#L1305-L1306
N/A
https://github.com/gpg/gnupg/compare/gnupg-2.2.50...gnupg-2.2.51
N/A
https://media.ccc.de/v/39c3-to-sign-or-not-to-sign-practical-vulnerabilities-i
N/A
Hyperlink: https://gpg.fail/memcpy
Resource: N/A
Hyperlink: https://news.ycombinator.com/item?id=46403200
Resource: N/A
Hyperlink: https://www.openwall.com/lists/oss-security/2025/12/28/5
Resource: N/A
Hyperlink: https://github.com/gpg/gnupg/commit/115d138ba599328005c5321c0ef9f00355838ca9
Resource: N/A
Hyperlink: https://github.com/gpg/gnupg/blob/ff30683418695f5d2cc9e6cf8c9418e09378ebe4/g10/armor.c#L1305-L1306
Resource: N/A
Hyperlink: https://github.com/gpg/gnupg/compare/gnupg-2.2.50...gnupg-2.2.51
Resource: N/A
Hyperlink: https://media.ccc.de/v/39c3-to-sign-or-not-to-sign-practical-vulnerabilities-i
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://gpg.fail/memcpy
exploit
Hyperlink: https://gpg.fail/memcpy
Resource:
exploit
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
http://www.openwall.com/lists/oss-security/2025/12/29/11
N/A
https://lists.debian.org/debian-lts-announce/2026/01/msg00008.html
N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2025/12/29/11
Resource: N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2026/01/msg00008.html
Resource: N/A
Details not found