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Gentoo Linux Security Advisory                           GLSA 202312-09
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                                           https://security.gentoo.org/
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 Severity: High
    Title: NASM: Multiple Vulnerabilities
     Date: December 22, 2023
     Bugs: #686720, #903755
       ID: 202312-09

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Synopsis
========

Multiple vulnerabilities have been discovered in NASM, the worst of
which could lead to arbitrary code execution.

Background
==========

NASM is a 80x86 assembler that has been created for portability and
modularity. NASM supports Pentium, P6, SSE MMX, and 3DNow extensions. It
also supports a wide range of objects formats (ELF, a.out, COFF, etc),
and has its own disassembler.

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

Package        Vulnerable    Unaffected
-------------  ------------  ------------
dev-lang/nasm  < 2.16.01     >= 2.16.01

Description
===========

Multiple vulnerabilities have been discovered in NASM. Please review the
CVE identifiers referenced below for details.

Impact
======

Please review the referenced CVE identifiers for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All NASM users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-lang/nasm-2.16.01"

References
==========

[ 1 ] CVE-2019-8343
      https://nvd.nist.gov/vuln/detail/CVE-2019-8343
[ 2 ] CVE-2020-21528
      https://nvd.nist.gov/vuln/detail/CVE-2020-21528
[ 3 ] CVE-2022-44370
      https://nvd.nist.gov/vuln/detail/CVE-2022-44370

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

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

 https://security.gentoo.org/glsa/202312-09

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/