vulnerability
FFmpeg: CVE-2020-21041: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | May 24, 2021 | May 31, 2021 | Aug 11, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
May 24, 2021
Added
May 31, 2021
Modified
Aug 11, 2025
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
Solutions
ffmpeg-upgrade-2_8_20ffmpeg-upgrade-3_2_18ffmpeg-upgrade-3_4_11ffmpeg-upgrade-4_1_8ffmpeg-upgrade-4_2_7ffmpeg-upgrade-4_3_5ffmpeg-upgrade-4_4
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