DescriptionThe _gnutls_ecc_ansi_x963_export function in gnutls_ecc.c in GnuTLS 3.x before 3.1.28, 3.2.x before 3.2.20, and 3.3.x before 3.3.10 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted (1) Elliptic Curve Cryptography (ECC) certificate or (2) certificate signing requests (CSR), related to generating key IDs.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs769154

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gnutls26 (PTS)wheezy, wheezy (security)2.12.20-8+deb7u5fixed
gnutls28 (PTS)jessie3.3.8-6+deb8u7fixed
jessie (security)3.3.8-6+deb8u6fixed
stretch (security)3.5.8-5+deb9u1fixed
buster, sid3.5.18-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gnutls26source(unstable)(not affected)


- gnutls26 <not-affected> (Vulnerable code not present; no support for ECC) (3.3.x branch)
in experimental fixed in 3.3.10-1

Search for package or bug name: Reporting problems