CVE-2015-6251
Double free vulnerability in GnuTLS before 3.3.17 and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service via a long DistinguishedName (DN) entry in a certificate.
02 Description
Double free vulnerability in GnuTLS before 3.3.17 and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service via a long DistinguishedName (DN) entry in a certificate.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 19.03% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 97.0% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2015-08-24 14:00Z11 YR AGO
- Last updated
- 2024-08-06 07:15Z2 YR AGO
- Reserved
- 2015-08-17
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.1
- Document digest
- 0fe4f7ee54c41be598eb9edd485d6ae5947ccc4db95ea82c6ddffcfc1b9dd3f0
05 Affected products
06 References
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1251902
- lists.opensuse.orgopenSUSE-SU-2015:1499http://lists.opensuse.org/opensuse-updates/2015-09/msg00001.html
- www.securitytracker.com1033226http://www.securitytracker.com/id/1033226
- www.gnutls.orghttp://www.gnutls.org/security.html#GNUTLS-SA-2015-3
- www.openwall.com[oss-security] 20150810 CVE request: GNUTLS-SA-2015-3 double free in certificate DN decodinghttp://www.openwall.com/lists/oss-security/2015/08/10/1
- www.securityfocus.com76267http://www.securityfocus.com/bid/76267
- lists.fedoraproject.orgFEDORA-2015-13287http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165286.html
- gitlab.comhttps://gitlab.com/gnutls/gnutls/commit/272854367efc130fbd4f1a51840d80c630214e12
- www.openwall.com[oss-security] 20150817 Re: CVE request: GNUTLS-SA-2015-3 double free in certificate DN decodinghttp://www.openwall.com/lists/oss-security/2015/08/17/6
- www.debian.orgDSA-3334http://www.debian.org/security/2015/dsa-3334
07 Fixed in
Debian 12
- gnutls28 Fixed in 3.3.17-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- gnutls28 Fixed in 3.3.17-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- gnutls28 Fixed in 3.3.17-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- gnutls28 Fixed in 3.3.15-5ubuntu2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.