CVE-2017-7863

critical

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