CVE-2015-4511

medium
Published 2015-09-24 · Modified 2026-05-06
CVSS v3
CVSS v2
6.8
VIR risk
6.8

Description

Heap-based buffer overflow in the nestegg_track_codec_data function in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allows remote attackers to execute arbitrary code via a crafted header in a WebM video.

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/mfsa2015-105.html

Application impact

VendorProductVersionsFixed
mozilla mozillafirefox38.0
mozilla mozillafirefox38.0.1
mozilla mozillafirefox38.0.5
mozilla mozillafirefox38.1.0
mozilla mozillafirefox38.1.1
mozilla mozillafirefox38.2.0
mozilla mozillafirefox38.2.1
mozilla mozillafirefox{"endIncluding":"40.0.3"}

References

CWEs

CWE-119

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