What’s Vulnerable › Vulnerabilities

CVE-2011-2983

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-08-18 · updated 2026-06-16
• Weakness: CWE-200

Description

Mozilla Firefox before 3.6.20, Thunderbird 2.x and 3.x before 3.1.12, SeaMonkey 1.x and 2.x, and possibly other products does not properly handle the RegExp.input property, which allows remote attackers to bypass the Same Origin Policy and read data from a different domain via a crafted web site, possibly related to a use-after-free.

Affected products

• Mozilla Firefox: through 3.6.19; 1.0, 1.0-preview_release, 1.0.1, 1.0.2, 1.0.3, 1.0.4 (+103)
• Mozilla Seamonkey: 2.0, 2.0-alpha_1, 2.0-alpha_2, 2.0-alpha_3, 2.0-beta_1, 2.0-beta_2 (+107)
• Mozilla Thunderbird: 2.0, 2.0.0.0, 2.0.0.1, 2.0.0.2, 2.0.0.3, 2.0.0.4 (+42)

References

• http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html
• http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00027.html
• http://www.debian.org/security/2011/dsa-2295
• http://www.debian.org/security/2011/dsa-2296
• http://www.debian.org/security/2011/dsa-2297
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:127
• http://www.mozilla.org/security/announce/2011/mfsa2011-30.html
• http://www.redhat.com/support/errata/RHSA-2011-1164.html
• http://www.redhat.com/support/errata/RHSA-2011-1165.html
• http://www.redhat.com/support/errata/RHSA-2011-1167.html
• http://www.securitytracker.com/id?1025940
• https://bugzilla.mozilla.org/show_bug.cgi?id=626297

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