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Gentoo Linux Security Advisory                           GLSA 202508-04
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Mozilla Network Security Service (NSS): TLS RSA decryption timing attack
     Date: August 06, 2025
     Bugs: #925027
       ID: 202508-04

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Synopsis
=======
A vulnerability has been discovered in NSS, which can lead to the
recovery of private data.

Background
=========
The Mozilla Network Security Service is a library implementing security
features like SSL v.2/v.3, TLS, PKCS #5, PKCS #7, PKCS #11, PKCS #12,
S/MIME and X.509 certificates.

Affected packages
================
Package       Vulnerable    Unaffected
------------  ------------  ------------
dev-libs/nss  < 3.98        >= 3.98

Description
==========
A vulnerability has been discovered in Mozilla Network Security Service
(NSS). Please review the CVE identifier referenced below for details.

Impact
=====
Please review the referenced CVE identifier for details.

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

Resolution
=========
All Mozilla Network Security Service (NSS) users should upgrade to the
latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">\xDEv-libs/nss-3.98"

References
=========
[ 1 ] CVE-2023-5388
      https://nvd.nist.gov/vuln/detail/CVE-2023-5388

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

 https://security.gentoo.org/glsa/202508-04

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 2025 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