Vulnerability Description
Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let a remote malicious user cause a Denial of Service
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ffmpeg | Ffmpeg | 4.1 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlMailing ListThird Party Advisory
- https://trac.ffmpeg.org/ticket/7989ExploitPatchVendor Advisory
- https://www.debian.org/security/2021/dsa-4990Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlMailing ListThird Party Advisory
- https://trac.ffmpeg.org/ticket/7989ExploitPatchVendor Advisory
- https://www.debian.org/security/2021/dsa-4990Third Party Advisory
FAQ
What is CVE-2020-21041?
CVE-2020-21041 is a vulnerability with a CVSS score of 7.5 (HIGH). Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let a remote malicious user cause a Denial of Service
How severe is CVE-2020-21041?
CVE-2020-21041 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-21041?
Check the references section above for vendor advisories and patch information. Affected products include: Ffmpeg Ffmpeg, Debian Debian Linux.