CVE-2025-68972
Medium
Description
In GnuPG through 2.4.8, if a signed message has \f at the end of a plaintext line, an adversary can construct a modified message that places additional text after the signed material, such that signature verification of the modified message succeeds (although an "invalid armor" message is printed during verification). This is related to use of \f as a marker to denote truncation of a long plaintext line.
SeverityMedium
CVSS5.9
Exploit probability—
ProductGnupg
PublishedDec 27, 2025
First seenDec 27, 2025
Weakness typeCWE-347CWE-347
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gnupg gnupg | v ≤ 2.4.8 | — |
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