CVE-2020-18776

MEDIUM

Libav 12.3 - Denial of Service via Crafted File in VC1 Decoder

Title source: llm
STIX 2.1

Description

In Libav 12.3, there is a segmentation fault in vc1_decode_b_mb_intfr in vc1_block.c that allows an attacker to cause denial-of-service via a crafted file.

References (1)

Core 1
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.libav.org/show_bug.cgi?id=1153

Scores

CVSS v3 6.5
EPSS 0.0088
EPSS Percentile 54.6%
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