CVE-2011-2998

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-09-30 · updated 2026-06-16
Weakness: CWE-189

Description

Integer underflow in Mozilla Firefox 3.6.x before 3.6.23 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via JavaScript code containing a large RegExp expression.

Affected products

Mozilla Firefox: 3.6, 3.6.2, 3.6.3, 3.6.4, 3.6.6, 3.6.7 (+15)

References

http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00020.html
http://www.debian.org/security/2011/dsa-2312
http://www.debian.org/security/2011/dsa-2313
http://www.debian.org/security/2011/dsa-2317
http://www.mandriva.com/security/advisories?name=MDVSA-2011:139
http://www.mandriva.com/security/advisories?name=MDVSA-2011:140
http://www.mandriva.com/security/advisories?name=MDVSA-2011:141
http://www.mozilla.org/security/announce/2011/mfsa2011-37.html
http://www.redhat.com/support/errata/RHSA-2011-1341.html
https://bugzilla.mozilla.org/show_bug.cgi?id=684815
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14012
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00020.html

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