CVE-2012-5839

HIGH

Description

Heap-based buffer overflow in the gfxShapedWord::CompressedGlyph::IsClusterStart function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code via unspecified vectors.

References

http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html

http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html

http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html

http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.html

http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html

http://osvdb.org/87607

http://rhn.redhat.com/errata/RHSA-2012-1482.html

http://rhn.redhat.com/errata/RHSA-2012-1483.html

http://secunia.com/advisories/51359

http://secunia.com/advisories/51360

http://secunia.com/advisories/51369

http://secunia.com/advisories/51370

http://secunia.com/advisories/51381

http://secunia.com/advisories/51434

http://secunia.com/advisories/51439

http://secunia.com/advisories/51440

http://www.mandriva.com/security/advisories?name=MDVSA-2012:173

http://www.mozilla.org/security/announce/2012/mfsa2012-105.html

http://www.palemoon.org/releasenotes-ng.shtml

http://www.securityfocus.com/bid/56637

http://www.ubuntu.com/usn/USN-1636-1

http://www.ubuntu.com/usn/USN-1638-1

http://www.ubuntu.com/usn/USN-1638-2

http://www.ubuntu.com/usn/USN-1638-3

https://bugzilla.mozilla.org/show_bug.cgi?id=804927

https://exchange.xforce.ibmcloud.com/vulnerabilities/80196

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16968

Details

Source: MITRE

Published: 2012-11-21

Updated: 2017-09-19

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 10

Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)

Impact Score: 10

Exploitability Score: 10

Severity: HIGH