CVE catalog

CVE-2015-8313

gnutls28: CVE-2015-8313

Severity: Medium · CVSS 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: Nov 30, 2015, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.69% · Oct 25, 2026

GnuTLS incorrectly validates the first byte of padding in CBC modes

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	gnutls28	sid	`3.8.13-1`	not affected
Debian	gnutls28	forky	`3.8.13-1`	not affected
Debian	gnutls28	trixie	`3.8.9-3+deb13u4`	not affected
Debian	gnutls28	trixie-security	`3.8.9-3+deb13u4`	not affected
Debian	gnutls28	bookworm	`3.7.9-2+deb12u7`	not affected
Debian	gnutls28	bookworm-security	`3.7.9-2+deb12u7`	not affected
Ubuntu	gnutls26	14.04	`2.12.23-1ubuntu4`	vulnerable
Ubuntu	gnutls26	14.04	`2.12.23-1ubuntu5`	vulnerable
Ubuntu	gnutls26	14.04	`2.12.23-12ubuntu1`	vulnerable
Ubuntu	gnutls26	14.04	`2.12.23-12ubuntu2`	vulnerable
Ubuntu	gnutls26	14.04	`2.12.23-12ubuntu2.1`	vulnerable
Ubuntu	gnutls26	14.04	`2.12.23-12ubuntu2.2`	vulnerable
Ubuntu	gnutls26	14.04	`2.12.23-12ubuntu2.3`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	gnutls28	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	gnutls28	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	gnutls28	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	gnutls28	source	bookworm	`Not affected`	unimportant	Not reported	Not reported
Ubuntu	gnutls26	deb	14.04	`2.12.23-12ubuntu2.3`	Not reported	UBUNTU-CVE-2015-8313	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[gnutls-bin]Unknown
Source package: [gnutls28]
Details (4)
- 3.7.9-2+deb12u7 · amd64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · amd64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
[gnutls-doc]Unknown
Source package: [gnutls28]
Details (4)
- 3.7.9-2+deb12u7 · all · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · all · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · all · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · all · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
[guile-gnutls]Unknown
Source package: [gnutls28]
Details (4)
- 3.7.9-2+deb12u7 · amd64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · amd64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
[libgnutls28-dev]Unknown
Source package: [gnutls28]
Details (4)
- 3.7.9-2+deb12u7 · amd64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · amd64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
[libgnutls30]Unknown
Source package: [gnutls28]
Details (4)
- 3.7.9-2+deb12u7 · amd64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · amd64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
[libgnutls-dane0]Unknown
Source package: [gnutls28]
Details (4)
- 3.7.9-2+deb12u7 · amd64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · amd64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
[libgnutls-openssl27]Unknown
Source package: [gnutls28]
Details (4)
- 3.7.9-2+deb12u7 · amd64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · amd64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
[libgnutlsxx30]Unknown
Source package: [gnutls28]
Details (4)
- 3.7.9-2+deb12u7 · amd64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · amd64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm
- 3.7.9-2+deb12u7 · arm64 · bookworm-security
  Not affected
  dsa · gnutls28 · debian · bookworm

Observed: Oct 23, 2026, 5:16:51 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]