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Vulnerability record · CVE-2012-0449 · published 1 February 2012

CVE-2012-0449: Mozilla firefox memory buffer overflow vulnerability

Mozilla · Firefox

Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.18 and 5.0 through 9.0, and SeaMonkey before 2.7 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a malformed XSLT stylesheet that is embedded in a document.

9.3 CVSS 2.0 High EPSS 5.7% · top 7.2% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
5.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
26References
16 Jun 2026Last modified by NVD

Description

Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.18 and 5.0 through 9.0, and SeaMonkey before 2.7 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a malformed XSLT stylesheet that is embedded in a document.

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

Affected products

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

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00003.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00007.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00011.html Mailing ListThird Party Advisory
http://www.debian.org/security/2012/dsa-2400 Third Party Advisory
http://www.debian.org/security/2012/dsa-2402 Third Party Advisory
http://www.debian.org/security/2012/dsa-2406 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:013 Third Party Advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-08.html Vendor Advisory
http://www.securityfocus.com/bid/51754 Third Party AdvisoryVDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=701806 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=702466 Issue TrackingPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/72868 Third Party AdvisoryVDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14618 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00003.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00007.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00011.html Mailing ListThird Party Advisory
http://www.debian.org/security/2012/dsa-2400 Third Party Advisory
http://www.debian.org/security/2012/dsa-2402 Third Party Advisory
http://www.debian.org/security/2012/dsa-2406 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:013 Third Party Advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-08.html Vendor Advisory
http://www.securityfocus.com/bid/51754 Third Party AdvisoryVDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=701806 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=702466 Issue TrackingPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/72868 Third Party AdvisoryVDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14618 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2012-0449), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.