| Name | CVE-2025-14831 |
| Description | A flaw was found in GnuTLS. This vulnerability allows a denial of service (DoS) by excessive CPU (Central Processing Unit) and memory consumption via specially crafted malicious certificates containing a large number of name constraints and subject alternative names (SANs). |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-6140-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| gnutls28 (PTS) | bullseye | 3.7.1-5+deb11u5 | vulnerable |
| bullseye (security) | 3.7.1-5+deb11u8 | vulnerable | |
| bookworm | 3.7.9-2+deb12u5 | vulnerable | |
| bookworm (security) | 3.7.9-2+deb12u6 | fixed | |
| trixie | 3.8.9-3+deb13u1 | vulnerable | |
| trixie (security) | 3.8.9-3+deb13u2 | fixed | |
| forky | 3.8.12-2 | fixed | |
| sid | 3.8.12-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| gnutls28 | source | bookworm | 3.7.9-2+deb12u6 | DSA-6140-1 | ||
| gnutls28 | source | trixie | 3.8.9-3+deb13u2 | DSA-6140-1 | ||
| gnutls28 | source | (unstable) | 3.8.12-1 |
https://gitlab.com/gnutls/gnutls/-/issues/1773
Prequisite: https://gitlab.com/gnutls/gnutls/-/commit/0b2377dfccd99be641bf3f1a0de9f0dc8dc0d4b1 (3.8.12)
Prequisite: https://gitlab.com/gnutls/gnutls/-/commit/85d6348a30c74d4ee3710e0f4652f634eaad6914 (3.8.12)
Prequisite: https://gitlab.com/gnutls/gnutls/-/commit/c28475413f82e1f34295d5c039f0c0a4ca2ee526 (3.8.12)
Prequisite: https://gitlab.com/gnutls/gnutls/-/commit/6db7da7fcfe230f445b1edbb56e2a8346120c891 (3.8.12)
Prequisite: https://gitlab.com/gnutls/gnutls/-/commit/094accd3ebec17ead6c391757eaa18763b72d83f (3.8.12)
Prequisite: https://gitlab.com/gnutls/gnutls/-/commit/bc62fbb946085527b4b1c02f337dd10c68c54690 (3.8.12)
Prequisite: https://gitlab.com/gnutls/gnutls/-/commit/80db5e90fa18d3e34bb91dd027bdf76d31e93dcd (3.8.12)
Prequisite: https://gitlab.com/gnutls/gnutls/-/commit/d0ac999620c8c0aeb6939e1e92d884ca8e40b759 (3.8.12)
Fixed by: https://gitlab.com/gnutls/gnutls/-/commit/d6054f0016db05fb5c82177ddbd0a4e8331059a1 (3.8.12)