CVE-2015-7189

medium
Published 2015-11-05 · Modified 2026-05-06
CVSS v3
CVSS v2
6.8
VIR risk
6.8

Description

Race condition in the JPEGEncoder function in Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow) via vectors involving a CANVAS element and crafted JavaScript code.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2015/mfsa2015-123.html

Application impact

VendorProductVersionsFixed
mozillafirefox38.0
mozillafirefox38.0.1
mozillafirefox38.0.5
mozillafirefox38.1.0
mozillafirefox38.1.1
mozillafirefox38.2.0
mozillafirefox38.2.1
mozillafirefox38.3.0
mozillafirefox{"endIncluding":"41.0.2"}

References

CWEs

CWE-119 CWE-362

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