CVE-2020-13904

2020-06-0719:15:09

Alpine Linux Development Team

security.alpinelinux.org

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

7.3 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

52.9%

JSON

FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because parse_playlist in libavformat/hls.c frees a pointer, and later that pointer is accessed in av_probe_input_format3 in libavformat/format.c.

OSVersionArchitecturePackageVersionFilename
Alpineedge-communitynoarchffmpeg< 4.3-r0UNKNOWN
Alpineedge-communitynoarchffmpeg4< 4.3-r0UNKNOWN
Alpine3.10-communitynoarchffmpeg< 4.1.6-r0UNKNOWN
Alpine3.11-communitynoarchffmpeg< 4.2.4-r0UNKNOWN
Alpine3.12-communitynoarchffmpeg< 4.3-r0UNKNOWN
Alpine3.13-communitynoarchffmpeg< 4.3-r0UNKNOWN
Alpine3.14-communitynoarchffmpeg< 4.3-r0UNKNOWN
Alpine3.15-communitynoarchffmpeg< 4.3-r0UNKNOWN
Alpine3.16-communitynoarchffmpeg< 4.3-r0UNKNOWN
Alpine3.16-communitynoarchffmpeg4< 4.3-r0UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Alpine	edge-community	noarch	ffmpeg	< 4.3-r0	UNKNOWN
Alpine	edge-community	noarch	ffmpeg4	< 4.3-r0	UNKNOWN
Alpine	3.10-community	noarch	ffmpeg	< 4.1.6-r0	UNKNOWN
Alpine	3.11-community	noarch	ffmpeg	< 4.2.4-r0	UNKNOWN
Alpine	3.12-community	noarch	ffmpeg	< 4.3-r0	UNKNOWN
Alpine	3.13-community	noarch	ffmpeg	< 4.3-r0	UNKNOWN
Alpine	3.14-community	noarch	ffmpeg	< 4.3-r0	UNKNOWN
Alpine	3.15-community	noarch	ffmpeg	< 4.3-r0	UNKNOWN
Alpine	3.16-community	noarch	ffmpeg	< 4.3-r0	UNKNOWN
Alpine	3.16-community	noarch	ffmpeg4	< 4.3-r0	UNKNOWN