Fedora 43 perl-Crypt-SysRandom-XS Important Heap Overflow CVE-2026-2597
fedora
March 11, 2026
0.011 - Update data pointer on resize for rdrand; Clean up string length handling 0.010 - Disallow requesting strings with negative lengths CVE-2026-2597; Try arc4random in stdlib....
Summary
This module uses whatever C interface is available to procure
cryptographically random data from the system.
Update Information:
0.011 - Update data pointer on resize for rdrand; Clean up string length handling 0.010 - Disallow requesting strings with negative lengths CVE-2026-2597; Try arc4random in stdlib.h first; Correct value of PROTOTYPES keyword in XS
Topics Covered
Change Log
* Mon Mar 2 2026 Jitka Plesnikova
References
[ 1 ] Bug #2443384 - CVE-2026-2597 perl-Crypt-SysRandom-XS: heap-based buffer overflow in the XS function random_bytes() [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2443384
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-7b9874a01f' 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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Name: perl-Crypt-SysRandom-XS
Product: Fedora 43
Version: 0.011
Release: 1.fc43
Summary: Perl interface to system randomness, XS version
Topics Covered
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