CVE-2012-0449

critical

Published 2012-02-01 · Modified 2026-04-29

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

—

CVSS v4 NEW

—

not yet in upstream

VIR risk

9.3

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.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status
suse	11.4	affected
suse	10	affected
suse	11	affected
debian	5.0	affected
debian	6.0	affected

Application impact

Vendor	Product	Versions	Fixed
mozilla	firefox	`{"endExcluding":"3.6.26"}`	`3.6.26`
mozilla	seamonkey	`{"endExcluding":"2.7"}`	`2.7`
mozilla	thunderbird	`{"endExcluding":"3.1.18"}`	`3.1.18`

References

CWEs

CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.