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Vulnerability record · CVE-2011-2988 · published 18 August 2011

CVE-2011-2988: Mozilla firefox memory buffer overflow vulnerability

Mozilla · Firefox

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.

10.0 CVSS 2.0 High EPSS 5.5% · top 7.5% CWE-119 · Memory buffer overflow
10.0CVSS 2.0 base score
5.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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 Vendor Advisory
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
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 Vendor Advisory
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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-2988), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.