CVE-2026-41990

NameCVE-2026-41990
DescriptionLibgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a stat ...
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libgcrypt20 (PTS)bullseye1.8.7-6fixed
bookworm1.10.1-3fixed
trixie1.11.0-7fixed
forky1.12.1-2vulnerable
sid1.12.2-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libgcrypt20sourcebullseye(not affected)
libgcrypt20sourcebookworm(not affected)
libgcrypt20sourcetrixie(not affected)
libgcrypt20source(unstable)1.12.2-1

Notes

[trixie] - libgcrypt20 <not-affected> (Vulnerable code not present)
[bookworm] - libgcrypt20 <not-affected> (Vulnerable code not present)
[bullseye] - libgcrypt20 <not-affected> (Vulnerable code not present)
https://www.openwall.com/lists/oss-security/2026/04/21/1
https://dev.gnupg.org/T8208
Introduced with: https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=1b422366e2b3b5438713418b50f8a0a1abf8d365 (libgcrypt-1.12.0)
Fixed by: https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=905e00f046a71e5670517779afaf85a354952832 (libgcrypt-1.12.2)

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