CVE-2017-7863 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8