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Gentoo Linux Security Advisory                           GLSA 202107-53
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                                           https://security.gentoo.org/
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 Severity: Low
    Title: Leptonica: Multiple vulnerabilities
     Date: July 24, 2021
     Bugs: #775629
       ID: 202107-53

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Synopsis
========

Multiple vulnerabilities have been found in Leptonica, the worst of
which could result in a Denial of Service condition.

Background
==========

Leptonica is a C library for image processing and analysis.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  media-libs/leptonica         < 1.80.0                  >= 1.80.0 

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

Multiple vulnerabilities have been discovered in Leptonica. 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 Leptonica users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=media-libs/leptonica-1.80.0"

References
==========

[ 1 ] CVE-2020-36277
      https://nvd.nist.gov/vuln/detail/CVE-2020-36277
[ 2 ] CVE-2020-36278
      https://nvd.nist.gov/vuln/detail/CVE-2020-36278
[ 3 ] CVE-2020-36279
      https://nvd.nist.gov/vuln/detail/CVE-2020-36279
[ 4 ] CVE-2020-36280
      https://nvd.nist.gov/vuln/detail/CVE-2020-36280
[ 5 ] CVE-2020-36281
      https://nvd.nist.gov/vuln/detail/CVE-2020-36281

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

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

 https://security.gentoo.org/glsa/202107-53

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 2021 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