CVE-2015-4485

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

Description

Heap-based buffer overflow in the resize_context_buffers function in libvpx in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code via malformed WebM video data.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-4485

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2015/mfsa2015-89.html

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1.4.0-1
debian debianbullseyefixed1.4.0-1
debian debianforkyfixed1.4.0-1
debian debiansidfixed1.4.0-1
debian debiantrixiefixed1.4.0-1
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-119

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