Fedora 43 perl-Crypt-URandom Important Heap Overflow Fix CVE-2026-2474
fedora
March 4, 2026
This release fixes CVE-2026-2474 (a heap buffer overflow) and handling failed read syscalls.
Summary
This Module is intended to provide an interface to the strongest available
source of non-blocking randomness on the current platform.
Update Information:
This release fixes CVE-2026-2474 (a heap buffer overflow) and handling failed read syscalls.
Topics Covered
Change Log
* Mon Feb 23 2026 Petr Pisar
References
[ 1 ] Bug #2440306 - CVE-2026-2474 crypt-urandom: Crypt::URandom for Perl is vulnerable to a heap buffer overflow in the XS function crypt_urandom_getrandom()
https://bugzilla.redhat.com/show_bug.cgi?id=2440306
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-88f1155b8b' 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
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Severity
important
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Critical
Name: perl-Crypt-URandom
Product: Fedora 43
Version: 0.55
Release: 1.fc43
Summary: Non-blocking randomness for Perl
Topics Covered
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