The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.5 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted certificate.
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158225.html
http://lists.opensuse.org/opensuse-updates/2015-08/msg00014.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00097.html
http://packetstormsecurity.com/files/131711/libtasn1-Heap-Overflow.html
https://access.redhat.com/errata/RHSA-2017:1860
http://seclists.org/fulldisclosure/2015/Apr/109
https://lists.gnu.org/archive/html/help-libtasn1/2015-04/msg00000.html
https://security.gentoo.org/glsa/201509-04
http://www.debian.org/security/2015/dsa-3256
http://www.mandriva.com/security/advisories?name=MDVSA-2015:232
Published: 2015-05-12
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
Severity: Medium