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CVE

CVE-2025-68973

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.
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CVE

CVE-2025-68973

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.

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.)

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.8
-
3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
C
H
U
0
-
3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://github.com/gpg/gnupg/blob/ff30683418695f5d2cc9e6cf8c9418e09378ebe4/g10/armor.c#L1305-L1306, https://gpg.fail/memcpy, https://lists.debian.org/debian-lts-announce/2026/01/msg00008.html, https://media.ccc.de/v/39c3-to-sign-or-not-to-sign-practical-vulnerabilities-i, https://news.ycombinator.com/item?id=46403200, https://github.com/gpg/gnupg/commit/115d138ba599328005c5321c0ef9f00355838ca9, https://github.com/gpg/gnupg/compare/gnupg-2.2.50...gnupg-2.2.51, http://www.openwall.com/lists/oss-security/2025/12/29/11, https://www.openwall.com/lists/oss-security/2025/12/28/5

Severity

7

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7
EPSS Probability
0.00016%
EPSS Percentile
0.02831%
Introduced Version
0
Fix Available
115d138ba599328005c5321c0ef9f00355838ca9,0:2.2.20-4.el8_10,0:2.3.3-5.el9_7,2.4.7-21+deb13u1,2.2.40-1.1+deb12u2,2.2.27-2+deb11u3,0:2.4.4-2ubuntu17.4,0:2.2.4-1ubuntu1.6+esm2,0:2.2.27-3ubuntu2.5,0:2.2.19-3ubuntu2.5+esm1,2.4.9-r0

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