A 3MF Consortium lib3mf security update has been released for Gentoo Linux.

GLSA 202208-01 : 3MF Consortium lib3mf: Remote code execution

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 202208-01
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: 3MF Consortium lib3mf: Remote code execution
Date: August 04, 2022
Bugs: #775362
ID: 202208-01

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
=======
A vulnerability in lib3mf could lead to remote code execution.

Background
=========
lib3mf is an implementation of the 3D Manufacturing Format file
standard.

Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/lib3mf < 2.1.1 >= 2.1.1

Description
==========
Incorrect memory handling within lib3mf could result in a use-after-
free.

Impact
=====
An attacker that can provide malicious input to an application using 3MF Consortium's lib3mf could achieve remote code execution.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All 3MF Consortium lib3mf users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/lib3mf-2.1.1"

References
=========
[ 1 ] CVE-2021-21772
  https://nvd.nist.gov/vuln/detail/CVE-2021-21772

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

  https://security.gentoo.org/glsa/202208-01

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 2022 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