critical
9.3
CWE
119
Advisory Published
Updated

CVE-2012-5838: Buffer Overflow

First published: Wed Nov 21 2012(Updated: )

The copyTexImage2D implementation in the WebGL subsystem in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via large image dimensions.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Firefox<10.0.11
Firefox<17.0
Mozilla SeaMonkey<2.14
Thunderbird<17.0
Mozilla Thunderbird<10.0.11
SUSE Linux=11.4
SUSE Linux=12.1
SUSE Linux=12.2
SUSE Linux Enterprise Desktop=10-sp4
SUSE Linux Enterprise Desktop=11-sp2
SUSE Linux Enterprise Server=10-sp4
SUSE Linux Enterprise Server=11-sp2
SUSE Linux Enterprise Server=11-sp2
SUSE Linux Enterprise Software Development Kit=10-sp4
SUSE Linux Enterprise Software Development Kit=11-sp2
Ubuntu=10.04
Ubuntu=11.10
Ubuntu=12.04
Ubuntu=12.10
Firefox ESR<10.0.11

Remedy

https://bugzilla.mozilla.org/show_bug.cgi?id=802778

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-5838?

    CVE-2012-5838 has a critical severity rating as it allows remote attackers to execute arbitrary code or cause a denial of service.

  • How do I fix CVE-2012-5838?

    To fix CVE-2012-5838, upgrade to Mozilla Firefox 17.0, Thunderbird 17.0, or SeaMonkey 2.14 or later.

  • What software is affected by CVE-2012-5838?

    CVE-2012-5838 affects Mozilla Firefox, Thunderbird, SeaMonkey, and various versions of openSUSE and Ubuntu.

  • Can CVE-2012-5838 cause a system crash?

    Yes, CVE-2012-5838 can cause memory corruption leading to application crashes.

  • Is CVE-2012-5838 remotely exploitable?

    Yes, CVE-2012-5838 is remotely exploitable through crafted large image dimensions.

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