CVE-2014-1523

medium

Published 2014-04-30 · Modified 2026-05-06

CVSS v3

6.5

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

CVSS v2

4.3

VIR risk

6.5

Description

Heap-based buffer overflow in the read_u32 function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted JPEG image.

Predictions

Exploit likelihood

75%

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=969226

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2014/mfsa2014-37.html

OS impact

OS	Version	Status
ubuntu	12.04	affected
ubuntu	12.10	affected
ubuntu	13.10	affected
ubuntu	14.04	affected
debian	7.0	affected
debian	8.0	affected
rhel	5.0	affected
rhel	6.0	affected
rhel	6.5	affected
suse	11.4	affected
suse	12.3	affected
suse	13.1	affected
suse	10	affected
suse	11	affected
fedora	19	affected
fedora	20	affected

Application impact

Vendor	Product	Versions	Fixed
mozilla	firefox	`{"endExcluding":"29.0"}`	`29.0`
mozilla	seamonkey	`{"endExcluding":"2.26"}`	`2.26`
mozilla	thunderbird	`{"endExcluding":"24.5"}`	`24.5`

References

CWEs

CWE-787

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