Home / mailings [gentoo-announce] [ GLSA 202508-04 ] Mozilla Network Security Service (NSS): TLS RSA decryption timing attack
Posted on 06 August 2025
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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 ">=dev-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
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