Description
In Libav 12.3, there is a heap-based buffer over-read in vc1_decode_b_mb_intfi in vc1_block.c that allows an attacker to cause denial-of-service via a crafted file.
References (2)
Core 2
Core References
Broken Link, Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.libav.org/show_bug.cgi?id=1152
Technical Description x_refsource_misc
https://cwe.mitre.org/data/definitions/126.html
Scores
CVSS v3
6.5
EPSS
0.0029
EPSS Percentile
51.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (1)
libav/libav
12.3
Published
Aug 23, 2021
Tracked Since
Feb 18, 2026