CVE-2011-2987
CVE-2011-2987 is a critical-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 5% (92nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Mozilla Firefox
- Published:
- Last modified:
Description
Heap-based buffer overflow in Almost Native Graphics Layer Engine (ANGLE), as used in the WebGL implementation in Mozilla Firefox 4.x through 5, Thunderbird before 6, SeaMonkey 2.x before 2.3, and possibly other products might allow remote attackers to execute arbitrary code via unspecified vectors.
Frequently asked questions
- What is CVE-2011-2987?
- Heap-based buffer overflow in Almost Native Graphics Layer Engine (ANGLE), as used in the WebGL implementation in Mozilla Firefox 4.x through 5, Thunderbird before 6, SeaMonkey 2.x before 2.3, and possibly other products might allow remote attackers to execute arbitrary code via unspecified vectors.
- How severe is CVE-2011-2987?
- CVE-2011-2987 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2011-2987 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-2987?
- CVE-2011-2987 primarily affects Mozilla Firefox. In total, 156 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2011-2987?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2011-2987 published?
- CVE-2011-2987 was published on 2011-08-18 and last updated on 2026-06-16.
References
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html
- http://secunia.com/advisories/49055
- http://www.mozilla.org/security/announce/2011/mfsa2011-29.html
- http://www.mozilla.org/security/announce/2011/mfsa2011-31.html
- http://www.mozilla.org/security/announce/2011/mfsa2011-33.html
- http://www.securityfocus.com/bid/49226
- https://bugzilla.mozilla.org/show_bug.cgi?id=665934
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14285
Affected products (156)
- cpe:2.3:a:mozilla:firefox:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:4.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:4.0:beta10:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:4.0:beta11:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:4.0:beta12:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:4.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:4.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:4.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:4.0:beta5:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:4.0:beta6:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:4.0:beta7:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:4.0:beta8:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:4.0:beta9:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:5.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:0.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:0.2:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:0.3:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:0.4:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:0.5:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:0.6:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:0.7:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:0.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:0.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:0.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:0.8:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:0.9:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:1.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:1.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:1.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:1.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:1.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:1.5:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:1.5:beta2:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:1.5.0.1:*:*:*:*:*:*:*
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