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Fedora 43 perl-Crypt-PasswdMD5 Important Salt Security Issue CVE-2026-6659

fedora
Calendar Grey June 1, 2026
Dist Fedora Esm H88
This Fedora update enhances security by improving the randomness of salt generation in the perl-Crypt-PasswdMD5 application.
This update uses a cryptographically strong random number source rather than perl's rand() function to generate random salt values when required (CVE-2026-6659)

Summary

This package provides MD5-based crypt() functions.

Update Information:

This update uses a cryptographically strong random number source rather than perl's rand() function to generate random salt values when required (CVE-2026-6659)

Topics%20covered

Topics Covered

security advisory fedora important random number CVE-2026-6659 cryptographic salt

Change Log

* Sat May 23 2026 Paul Howarth - 1.4.3-1 - Update to 1.43 - Replace use of the cryptographically weak rand() function with the much stronger Crypt::URandom::urandom() (GH#3, CVE-2026-6659, rhbz#2479575) - Add Encode, Exporter, ExtUtils::MakeMaker to Makefile.PL - Add files AI_POLICY.md and SECURITY.md * Sat Jan 17 2026 Fedora Release Engineering - 1.4.2-11 - Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild

References


[ 1 ] Bug #2479575 - CVE-2026-6659 perl: Crypt::PasswdMD5: Weak cryptographic salts due to predictable random number generation [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2479575 [ 2 ] Bug #2480988 - perl-Crypt-PasswdMD5-1.43 is available https://bugzilla.redhat.com/show_bug.cgi?id=2480988

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-96c8ae7dbe' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
Low
Medium
High
Critical

Name: perl-Crypt-PasswdMD5
Product: Fedora 43
Version: 1.4.3
Release: 1.fc43
URL: https://metacpan.org/release/Crypt-PasswdMD5
Summary: Provides interoperable MD5-based crypt() functions

Topics%20covered

Topics Covered

security advisory fedora important random number CVE-2026-6659 cryptographic salt

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