What’s Vulnerable › Vulnerabilities

CVE-2013-0800

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-04-03 · updated 2026-06-16

Description

Integer signedness error in the pixman_fill_sse2 function in pixman-sse2.c in Pixman, as distributed with Cairo and used in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, Thunderbird ESR 17.x before 17.0.5, SeaMonkey before 2.17, and other products, allows remote attackers to execute arbitrary code via crafted values that trigger attempted use of a (1) negative box boundary or (2) negative box size, leading to an out-of-bounds write operation.

Affected products

• Canonical Ubuntu Linux: 10.04, 11.10, 12.04, 12.10
• Debian Linux: 7.0
• Mozilla Firefox: before 20.0; from 17.0 before 17.0.5 — fixed in 17.0.5, 20.0
• Mozilla Seamonkey: before 2.17 — fixed in 2.17
• Mozilla Thunderbird: before 17.0.5 — fixed in 17.0.5
• Mozilla Thunderbird ESR: from 17.0 before 17.0.5 — fixed in 17.0.5
• Opensuse: 11.4, 12.1, 12.2, 12.3
• SUSE Linux Enterprise Server 15 SP1: 10-sp4, 11-sp2
• SUSE Linux Enterprise Server: 10-sp4, 11-sp1, 11-sp2
• SUSE Linux Enterprise Software Development Kit: 10-sp4, 11-sp2

How to fix

Upgrade to a fixed version: Mozilla Firefox 17.0.5, 20.0; Mozilla Seamonkey 2.17; Mozilla Thunderbird 17.0.5; Mozilla Thunderbird ESR 17.0.5. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00009.html
• http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00013.html
• http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00019.html
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00012.html
• http://rhn.redhat.com/errata/RHSA-2013-0696.html
• http://rhn.redhat.com/errata/RHSA-2013-0697.html
• http://www.debian.org/security/2013/dsa-2699
• http://www.mozilla.org/security/announce/2013/mfsa2013-31.html
• http://www.ubuntu.com/usn/USN-1791-1
• https://bugzilla.mozilla.org/show_bug.cgi?id=825721
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16909

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