CVE-2020-18776

6.5 mediumEPSS 0.9%

Medium (6.5) in libav libav. EPSS 0.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2021-08-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

libav:libav

References

https://bugzilla.libav.org/show_bug.cgi?id=1153
https://bugzilla.libav.org/show_bug.cgi?id=1153

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