CVE-2015-6251

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.

5.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 6.69% Top 10%

Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory gnutls.org

Affected: n/a n/a

References

Link	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1251902
http://lists.opensuse.org/opensuse-updates/2015-09/msg00001.html	vendor advisory
http://www.securitytracker.com/id/1033226	vdb entry
http://www.gnutls.org/security.html#GNUTLS-SA-2015-3	vendor advisory
http://www.openwall.com/lists/oss-security/2015/08/10/1	mailing list
http://www.securityfocus.com/bid/76267	vdb entry
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165286.html	vendor advisory
https://gitlab.com/gnutls/gnutls/commit/272854367efc130fbd4f1a51840d80c630214e12
http://www.openwall.com/lists/oss-security/2015/08/17/6	mailing list
http://www.debian.org/security/2015/dsa-3334	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-6251?: CVE-2015-6251 has been scored as a medium severity vulnerability.
How to fix CVE-2015-6251?: To fix CVE-2015-6251, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-6251 being actively exploited in the wild?: It is possible that CVE-2015-6251 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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