CVE-2017-7863

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-04-14 · updated 2026-06-17
Weakness: CWE-787

Description

FFmpeg before 2017-02-04 has an out-of-bounds write caused by a heap-based buffer overflow related to the decode_frame_common function in libavcodec/pngdec.c.

Affected products

Debian Linux: 8.0
FFmpeg: through 2.8.10

References

http://www.securityfocus.com/bid/97675
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=546
https://github.com/FFmpeg/FFmpeg/commit/e477f09d0b3619f3d29173b2cd593e17e2d1978e
https://lists.debian.org/debian-lts-announce/2019/02/msg00005.html
http://www.securityfocus.com/bid/97675
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=546
https://github.com/FFmpeg/FFmpeg/commit/e477f09d0b3619f3d29173b2cd593e17e2d1978e
https://lists.debian.org/debian-lts-announce/2019/02/msg00005.html

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