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Gentoo Linux Security Advisory                           GLSA 202310-05
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                                           https://security.gentoo.org/
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 Severity: Low
    Title: dav1d: Denial of Service
     Date: October 08, 2023
     Bugs: #906107
       ID: 202310-05

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Synopsis
========

A vulnerability has been found in dav1d which could result in denial of
service.

Background
==========

dav1d is an AV1 decoder.

Affected packages
=================

Package           Vulnerable    Unaffected
----------------  ------------  ------------
media-libs/dav1d  < 1.2.0       >= 1.2.0

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"

References
==========

[ 1 ] CVE-2023-32570
      https://nvd.nist.gov/vuln/detail/CVE-2023-32570

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202310-05

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2023 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/