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gentooGentoo FoundationGLSA-202310-05
HistoryOct 08, 2023 - 12:00 a.m.

dav1d: Denial of Service

2023-10-0800:00:00
Gentoo Foundation
security.gentoo.org
16
denial of service
vulnerability
av1 decoder

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

57.3%

Background

dav1d is an AV1 decoder.

Description

In some circumstances, dav1d might treat an invalid frame as valid, resulting in a crash.

Impact

Malformed frame data can result in a denial of service.

Workaround

Users should avoid parsing untrusted video with dav1d.

Resolution

All dav1d users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=media-libs/dav1d-1.2.0"
OSVersionArchitecturePackageVersionFilename
Gentooanyallmedia-libs/dav1d< 1.2.0UNKNOWN

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

57.3%