CVE-2025-32990

NameCVE-2025-32990
DescriptionA heap-buffer-overflow (off-by-one) flaw was found in the GnuTLS software in the template parsing logic within the certtool utility. When it reads certain settings from a template file, it allows an attacker to cause an out-of-bounds (OOB) NULL pointer write, resulting in memory corruption and a denial-of-service (DoS) that could potentially crash the system.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-5962-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gnutls28 (PTS)bullseye3.7.1-5+deb11u5vulnerable
bullseye (security)3.7.1-5+deb11u7vulnerable
bookworm3.7.9-2+deb12u4vulnerable
bookworm (security)3.7.9-2+deb12u5fixed
trixie, sid3.8.9-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gnutls28sourcebookworm3.7.9-2+deb12u5DSA-5962-1
gnutls28source(unstable)3.8.9-3

Notes

https://lists.gnupg.org/pipermail/gnutls-help/2025-July/004883.html
Fixed by: https://gitlab.com/gnutls/gnutls/-/commit/408bed40c36a4cc98f0c94a818f682810f731f32 (3.8.10)

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