CVE-2017-7863critical
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.
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
Details
Source: MITRE
Published: 2017-04-14
Updated: 2019-03-04
Type: CWE-787
Risk Information
CVSS v2
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
CVSS v3
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL