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Fedora 42 perl-CryptX Security Fix CVE-2026-41564 on Random Number Issue

fedora
Calendar Grey May 2, 2026
Dist Fedora Esm H88
Fedora 42 perl-CryptX update addresses security issue related to predictable random number generation. Recommended upgrade.
0.088 2026-04-23 - Crypt::KeyDerivation - new functions: pbkdf1_openssl, bcrypt_pbkdf, scrypt_pbkdf, argon2_pbkdf - Crypt::Misc - new functions: random_v7uuid, is_uuid - bundled...

Summary

This Perl library provides a cryptography based on LibTomCrypt library.

Update Information:

0.088 2026-04-23 - Crypt::KeyDerivation - new functions: pbkdf1_openssl, bcrypt_pbkdf, scrypt_pbkdf, argon2_pbkdf - Crypt::Misc - new functions: random_v7uuid, is_uuid - bundled libtomcrypt update branch:develop (commit: 2e441a17 2026-04-15) - bundled libtommath update branch:develop (commit: ae40a87 2026-04-20) - security fix CVE-2026-41564 https://github.com/DCIT/perl- CryptX/security/advisories/GHSA-24c2-gp6c-24c6

Topics%20covered

Topics Covered

security advisory security issue fedora cryptographic toolkit cve-2026-41564 insufficient entropy

Change Log

* Thu Apr 23 2026 Xavier Bachelot - 0.088-2 - Add missing BR: perl(Time::HiRes) * Thu Apr 23 2026 Xavier Bachelot - 0.088-1 - Update to 0.088 (RHBZ#22461073) - Fix CVE-2026-41564 (RHBZ#2461084,RHBZ#2461085) * Sat Jan 17 2026 Fedora Release Engineering - 0.087-5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild * Fri Jul 25 2025 Fedora Release Engineering - 0.087-4 - Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild * Mon Jul 7 2025 Jitka Plesnikova - 0.087-3 - Perl 5.42 rebuild

References


[ 1 ] Bug #2461085 - CVE-2026-41564 perl-CryptX: CryptX: Private key recovery due to predictable pseudo-random number generation after forking [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2461085

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-bc5090f99b' 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
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Critical

Name: perl-CryptX
Product: Fedora 42
Version: 0.088
Release: 2.fc42
URL: https://metacpan.org/release/CryptX
Summary: Cryptographic toolkit

Topics%20covered

Topics Covered

security advisory security issue fedora cryptographic toolkit cve-2026-41564 insufficient entropy

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