CVE-2020-22031

A Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in filter16_complex_low, which might lead to memory corruption and other potential consequences.

CVSS v3.1 NVD

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

CVSS v2.0 NVD

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

1.69% chance of exploitation in the next 30 days, 77th percentile

Published

2021-05-27

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://trac.ffmpeg.org/ticket/8243

Security advisories

• https://trac.ffmpeg.org/attachment/ticket/8243/gdb-vf_w3fdif_191
• https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
• https://www.debian.org/security/2021/dsa-4990

References

• CVE Record
• NVD entry