CVE-2013-6671

critical

Published 2013-12-11 · Modified 2026-04-29

CVSS v3

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2

10.0

VIR risk

9.8

Description

The nsGfxScrollFrameInner::IsLTR function in Mozilla Firefox before 26.0, Firefox ESR 24.x before 24.2, Thunderbird before 24.2, and SeaMonkey before 2.23 allows remote attackers to execute arbitrary code via crafted use of JavaScript code for ordered list elements.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — https://bugzilla.mozilla.org/show_bug.cgi?id=930281

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2013/mfsa2013-111.html

OS impact

OS	Version	Status
fedora	18	affected
fedora	19	affected
fedora	20	affected
suse	12.2	affected
suse	12.3	affected
suse	13.1	affected
suse	11	affected
ubuntu	12.04	affected
ubuntu	12.10	affected
ubuntu	13.04	affected
ubuntu	13.10	affected
rhel	5.0	affected
rhel	6.0	affected
rhel	6.5	affected

Application impact

Vendor	Product	Versions	Fixed
mozilla	firefox	`{"endExcluding":"26.0"}`	`26.0`
mozilla	seamonkey	`{"endExcluding":"2.23"}`	`2.23`
mozilla	thunderbird	`{"endExcluding":"24.2"}`	`24.2`
suse	suse_linux_enterprise_software_development_kit	`11.0`

References

CWEs

CWE-94

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