CVE-2014-1512

critical

Published 2014-03-19 · Modified 2026-05-06

CVSS v3

—

CVSS v2

10.0

VIR risk

10.0

Description

Use-after-free vulnerability in the TypeObject class in the JavaScript engine in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 allows remote attackers to execute arbitrary code by triggering extensive memory consumption while garbage collection is occurring, as demonstrated by improper handling of BumpChunk objects.

Predictions

Exploit likelihood

20%

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=982957

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2014/mfsa2014-30.html

OS impact

OS	Version	Status
ubuntu	12.04	affected
ubuntu	12.10	affected
ubuntu	13.10	affected
debian	7.0	affected
debian	8.0	affected
suse	11.4	affected
suse	12.3	affected
suse	13.1	affected
suse	11	affected
rhel	5.0	affected
rhel	6.0	affected
rhel	6.5	affected

Application impact

Vendor	Product	Versions	Fixed
mozilla	firefox	`{"endExcluding":"28.0"}`	`28.0`
mozilla	seamonkey	`{"endExcluding":"2.25"}`	`2.25`
mozilla	thunderbird	`{"endExcluding":"24.4"}`	`24.4`
suse	suse_linux_enterprise_software_development_kit	`11.0`

References

CWEs

CWE-416

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