CVE-2015-4479

critical
Published 2015-08-16 · Modified 2026-05-06
CVSS v3
CVSS v2
10.0
VIR risk
10.0

Description

Multiple integer overflows in libstagefright in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allow remote attackers to execute arbitrary code via a crafted saio chunk in MPEG-4 video data.

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/mfsa2015-83.html

OS impact

OSVersionStatusFixed in
ubuntu ubuntu12.04affected
ubuntu ubuntu14.04affected
ubuntu ubuntu15.04affected
suse suse13.1affected
suse suse13.2affected

Application impact

VendorProductVersionsFixed
mozillafirefox{"endIncluding":"39.0.3"}
mozillafirefox38.0
mozillafirefox38.0.1
mozillafirefox38.0.5
mozillafirefox38.1.0

References

CWEs

CWE-189

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