CVE-2015-4485

critical
Published 2015-08-16 ยท Modified 2026-05-06
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
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
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

suse SUSE Affected 2 releases
VersionStatusFixed in
13.2 Affected โ€”
13.1 Affected โ€”
ubuntu Ubuntu Affected 3 releases
VersionStatusFixed in
15.04 Affected โ€”
14.04 Affected โ€”
12.04 Affected โ€”
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 1.4.0-1
sid Fixed 1.4.0-1
forky Fixed 1.4.0-1
bullseye Fixed 1.4.0-1
bookworm Fixed 1.4.0-1

Application impact

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

References

CWEs

CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

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