VulnerabilityModified
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.
HIGH 8.8EPSS 1.69%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.69% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- ffmpeg/ffmpeg · debian/debian linux
- Source
- cve@mitre.org
References
- https://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlMailing List, Third Party Advisory
- https://trac.ffmpeg.org/attachment/ticket/8243/gdb-vf_w3fdif_191Vendor Advisory
- https://trac.ffmpeg.org/ticket/8243Exploit, Issue Tracking, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4990Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlMailing List, Third Party Advisory
- https://trac.ffmpeg.org/attachment/ticket/8243/gdb-vf_w3fdif_191Vendor Advisory
- https://trac.ffmpeg.org/ticket/8243Exploit, Issue Tracking, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4990Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.