[ GLSA 202608-17 ] libssh2: Multiple Vulnerabilities

[email protected] Thu, 20 Aug 2026 01:15:56 -0000
Newsgroups	gmane.linux.gentoo.announce
Message-ID	<178718855663.1.9052676101148070053@f5bc8f6d682b>
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Gentoo Linux Security Advisory                           GLSA 202608-17
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                                           https://security.gentoo.org/
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 Severity: High
    Title: libssh2: Multiple Vulnerabilities
     Date: August 20, 2026
     Bugs: #977961
       ID: 202608-17

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Synopsis
========

Multiple vulnerabilities have been found in libssh2, the worst of which
could result in remote code execution.

Background
==========

libssh2 is a library implementing the SSH2 protocol.

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

Package           Vulnerable    Unaffected
----------------  ------------  ------------
net-libs/libssh2  < 1.11.1-r2   >= 1.11.1-r2

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

Multiple vulnerabilities have been discovered in libssh2. 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 libssh2 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-libs/libssh2-1.11.1-r2"

References
==========

[ 1 ] CVE-2025-15661
      https://nvd.nist.gov/vuln/detail/CVE-2025-15661
[ 2 ] CVE-2026-7598
      https://nvd.nist.gov/vuln/detail/CVE-2026-7598
[ 3 ] CVE-2026-55199
      https://nvd.nist.gov/vuln/detail/CVE-2026-55199
[ 4 ] CVE-2026-55200
      https://nvd.nist.gov/vuln/detail/CVE-2026-55200

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

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

 https://security.gentoo.org/glsa/202608-17

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
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2026 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
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