What’s Vulnerable › Vulnerabilities

CVE-2013-0796

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 8.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2013-04-03 · updated 2026-06-16

Description

The WebGL subsystem 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, and SeaMonkey before 2.17 on Linux does not properly interact with Mesa drivers, which allows remote attackers to execute arbitrary code or cause a denial of service (free of unallocated memory) via unspecified vectors.

Affected products

• 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: from 17.0 before 17.0.5 — fixed in 17.0.5
• Mozilla Thunderbird ESR: from 17.0 before 17.0.5 — fixed in 17.0.5

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/mfsa2013-35.html
• http://www.ubuntu.com/usn/USN-1791-1
• https://bugzilla.mozilla.org/show_bug.cgi?id=827106
• https://bugzilla.mozilla.org/show_bug.cgi?id=838413

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