What’s Vulnerable › Vulnerabilities
CVE-2012-0449
- Severity: critical (CVSS 9.3 v2.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 5.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2012-02-01 · updated 2026-06-16
- Weakness: CWE-119
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.
Affected products
- Debian Linux: 5.0, 6.0
- Mozilla Firefox: before 3.6.26; from 4.0 before 10.0 — fixed in 10.0, 3.6.26
- Mozilla Seamonkey: before 2.7 — fixed in 2.7
- Mozilla Thunderbird: before 3.1.18; from 5.0 before 10.0 — fixed in 10.0, 3.1.18
- Opensuse: 11.4
- SUSE Linux Enterprise Server 15 SP1: 10-sp4, 11-sp1
- SUSE Linux Enterprise Server: 10-sp4, 11-sp1
- SUSE Linux Enterprise Software Development Kit: 10-sp4, 11-sp1
How to fix
Upgrade to a fixed version: Mozilla Firefox 10.0, 3.6.26; Mozilla Seamonkey 2.7; Mozilla Thunderbird 10.0, 3.1.18. Check the vendor advisory for mitigations.
References
- http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00011.html
- http://www.debian.org/security/2012/dsa-2400
- http://www.debian.org/security/2012/dsa-2402
- http://www.debian.org/security/2012/dsa-2406
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:013
- http://www.mozilla.org/security/announce/2012/mfsa2012-08.html
- http://www.securityfocus.com/bid/51754
- https://bugzilla.mozilla.org/show_bug.cgi?id=701806
- https://bugzilla.mozilla.org/show_bug.cgi?id=702466
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72868
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