CVE-2015-3308

Double free vulnerability in lib/x509/x509_ext.c in GnuTLS before 3.3.14 allows remote attackers...

7.5 HighFix available

Double free vulnerability in lib/x509/x509_ext.c in GnuTLS before 3.3.14 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted CRL distribution point.

Exploit likelihood

3.92%Up 1.7 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2015-3308
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-3308
Updated: 2026-11-02

EUVDEUVD-2015-3354 No score

Record: EUVD-2015-3354
Updated: 2026-11-03

GitHub AdvisoriesGHSA-f5vv-qq78-r728 No score

Double free vulnerability in lib/x509/x509_ext.c in GnuTLS before 3.3.14 allows remote attackers...

Record: GHSA-f5vv-qq78-r728
Updated: 2026-11-02

OSV No score

Record: CVE-2015-3308
Updated: 2026-11-02

OSVDEBIAN-CVE-2015-3308 No score

Record: DEBIAN-CVE-2015-3308
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`gnutls28` Debian:12	before 3.3.8-7	3.3.8-7
`gnutls28` Debian:13	before 3.3.8-7	3.3.8-7
`gnutls28` Debian:14	before 3.3.8-7	3.3.8-7

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-3308 is a high vulnerability (CVSS 7.5) in Gnu Gnutls, published September 2, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.92%, the 90th percentile. Fixed in gnutls28 3.3.8-7.

References

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