CWE
119
Advisory Published
Updated

CVE-2011-2991: Buffer Overflow

First published: Thu Aug 18 2011(Updated: )

The browser engine in Mozilla Firefox 4.x through 5, SeaMonkey 2.x before 2.3, Thunderbird before 6, and possibly other products does not properly implement JavaScript, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Firefox=4.0-beta6
Firefox=4.0-beta1
Firefox=4.0-beta9
Firefox=4.0-beta5
Firefox=4.0-beta8
Firefox=4.0-beta12
Firefox=4.0-beta3
Firefox=5.0
Firefox=4.0-beta2
Firefox=4.0-beta4
Firefox=4.0-beta10
Firefox=4.0
Firefox=4.0-beta11
Firefox=4.0-beta7
Firefox=4.0.1
Thunderbird=3.0.8
Thunderbird=3.0.5
Thunderbird=1.5.0.7
Thunderbird=0.6
Thunderbird=0.7.2
Thunderbird=2.0.0.4
Thunderbird=3.0.9
Thunderbird=2.0.0.6
Thunderbird=0.3
Thunderbird=2.0.0.21
Thunderbird=3.0.1
Thunderbird=3.1.7
Thunderbird=0.2
Thunderbird=3.1.2
Thunderbird=3.1.1
Thunderbird=1.0.7
Thunderbird=2.0.0.18
Thunderbird=2.0.0.9
Thunderbird=2.0.0.16
Thunderbird=2.0.0.8
Thunderbird=2.0.0.7
Thunderbird=1.7.1
Thunderbird=1.5.0.3
Thunderbird=1.5.0.10
Thunderbird=1.5.0.5
Thunderbird=3.1.4
Thunderbird=1.5.0.6
Thunderbird=1.0
Thunderbird=3.0.7
Thunderbird=2.0.0.3
Thunderbird=3.0.6
Thunderbird=1.0.1
Thunderbird=1.5-beta2
Thunderbird=2.0.0.2
Thunderbird=3.0.10
Thunderbird=3.0.3
Thunderbird=1.0.2
Thunderbird=2.0.0.0
Thunderbird=1.5.0.13
Thunderbird=3.1.5
Thunderbird=3.0.11
Thunderbird=2.0.0.12
Thunderbird=2.0.0.22
Thunderbird=1.5
Thunderbird=1.5.0.2
Thunderbird=1.5.0.8
Thunderbird=2.0.0.14
Thunderbird=3.0.4
Thunderbird<=5.0
Thunderbird=0.5
Thunderbird=1.0.4
Thunderbird=1.5.2
Thunderbird=2.0.0.17
Thunderbird=2.0.0.23
Thunderbird=1.5.0.9
Thunderbird=1.5.0.11
Thunderbird=0.9
Thunderbird=1.0.3
Thunderbird=2.0
Thunderbird=3.0
Thunderbird=1.5.0.12
Thunderbird=0.7.3
Thunderbird=0.4
Thunderbird=1.5.1
Thunderbird=0.7
Thunderbird=1.5.0.14
Thunderbird=3.1
Thunderbird=1.0.6
Thunderbird=3.1.3
Thunderbird=2.0.0.5
Thunderbird=3.1.6
Thunderbird=1.7.3
Thunderbird=2.0.0.1
Thunderbird=1.5.0.1
Thunderbird=1.0.8
Thunderbird=0.1
Thunderbird=0.7.1
Thunderbird=1.0.5
Thunderbird=0.8
Thunderbird=3.0.2
Thunderbird=2.0.0.19
Thunderbird=1.5.0.4
Mozilla SeaMonkey=2.0.10
Mozilla SeaMonkey=2.2-beta2
Mozilla SeaMonkey=2.0.13
Mozilla SeaMonkey=2.0.4
Mozilla SeaMonkey=2.1-alpha2
Mozilla SeaMonkey=2.0.3
Mozilla SeaMonkey=2.0.2
Mozilla SeaMonkey=2.0-alpha_2
Mozilla SeaMonkey=2.0.8
Mozilla SeaMonkey=2.0-rc2
Mozilla SeaMonkey=2.0-alpha_3
Mozilla SeaMonkey=2.0.12
Mozilla SeaMonkey=2.0.11
Mozilla SeaMonkey=2.0-beta_2
Mozilla SeaMonkey=2.1-rc1
Mozilla SeaMonkey=2.1
Mozilla SeaMonkey=2.0-alpha_1
Mozilla SeaMonkey=2.0.9
Mozilla SeaMonkey=2.1-alpha1
Mozilla SeaMonkey=2.1-beta2
Mozilla SeaMonkey=2.0.1
Mozilla SeaMonkey=2.0.14
Mozilla SeaMonkey=2.0.7
Mozilla SeaMonkey=2.2
Mozilla SeaMonkey=2.0-beta_1
Mozilla SeaMonkey=2.1-rc2
Mozilla SeaMonkey=2.1-beta1
Mozilla SeaMonkey=2.0.5
Mozilla SeaMonkey=2.1-beta3
Mozilla SeaMonkey=2.0-rc1
Mozilla SeaMonkey=2.2-beta3
Mozilla SeaMonkey=2.0.6
Mozilla SeaMonkey=2.1-alpha3
Mozilla SeaMonkey=2.0
Mozilla SeaMonkey=2.2-beta1

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Frequently Asked Questions

  • What is the severity of CVE-2011-2991?

    CVE-2011-2991 has been assigned a medium severity level as it can lead to denial of service through memory corruption.

  • How do I fix CVE-2011-2991?

    To fix CVE-2011-2991, update your affected software to the latest version released by Mozilla.

  • Which software products are affected by CVE-2011-2991?

    CVE-2011-2991 affects Mozilla Firefox 4.x through 5, SeaMonkey 2.x versions before 2.3, and Thunderbird before version 6.

  • What kind of attack can CVE-2011-2991 enable?

    CVE-2011-2991 can enable attackers to cause memory corruption and potential application crashes.

  • Is user action required to mitigate CVE-2011-2991?

    Yes, users must update their browsers and email clients to versions that contain the security fix for CVE-2011-2991.

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