CVE-2014-1486

critical
Published 2014-02-06 · 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

Use-after-free vulnerability in the imgRequestProxy function in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allows remote attackers to execute arbitrary code via vectors involving unspecified Content-Type values for image data.

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=942164

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2014/mfsa2014-08.html

OS impact

OSVersionStatusFixed in
fedora fedora19affected
suse suse11.4affected
suse suse12.3affected
suse suse13.1affected
suse suse11affected
redhat rhel6.0affected
redhat rhel6.5affected
ubuntu ubuntu12.04affected
ubuntu ubuntu12.10affected
ubuntu ubuntu13.10affected
debian debian7.0affected
fedora fedora20affected

Application impact

VendorProductVersionsFixed
mozillafirefox{"endExcluding":"27.0"}27.0
mozillaseamonkey{"endExcluding":"2.24"}2.24
mozillathunderbird{"endExcluding":"24.3"}24.3
susesuse_linux_enterprise_software_development_kit11.0

References

CWEs

CWE-416

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