CVE-2020-13904

Upstream information

CVE-2020-13904 at MITRE

Description

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.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v2 Scores
	National Vulnerability Database
Base Score	4.3
Vector	AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector	Network
Access Complexity	Medium
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Partial

CVSS v3 Scores
	National Vulnerability Database	SUSE
Base Score	5.5	5.4
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Access Vector	Local	Network
Access Complexity	Low	Low
Privileges Required	None	None
User Interaction	Required	Required
Scope	Unchanged	Unchanged
Confidentiality Impact	None	None
Integrity Impact	None	Low
Availability Impact	High	Low
CVSSv3 Version	3.1	3.1

SUSE Bugzilla entry: 1172640 [NEW]

No SUSE Security Announcements cross referenced.

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.