CVE-2011-2988
CVE-2011-2988 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
Buffer overflow in an unspecified string class in the WebGL shader implementation in Mozilla Firefox 4.x through 5, Thunderbird before 6, SeaMonkey 2.x before 2.3, and possibly other products allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a long source-code block for a shader.
Frequently asked questions
- What is CVE-2011-2988?
- Buffer overflow in an unspecified string class in the WebGL shader implementation in Mozilla Firefox 4.x through 5, Thunderbird before 6, SeaMonkey 2.x before 2.3, and possibly other products allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a long source-code block for a shader.
- How severe is CVE-2011-2988?
- CVE-2011-2988 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2011-2988 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-2011-2988?
- CVE-2011-2988 primarily affects Mozilla Firefox. In total, 51 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2011-2988?
- 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-2011-2988 published?
- CVE-2011-2988 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/49242
- https://bugzilla.mozilla.org/show_bug.cgi?id=665936
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14270
Affected products (51)
- 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:seamonkey:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0:alpha_1:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0:alpha_2:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0:alpha_3:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0:beta_1:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0:beta_2:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.1:alpha1:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:2.1:alpha2:*:*:*:*:*:*
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