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Fedora perl-Devel-Cover Important Heap Overflow Info CVE-2026

Linuxsecurity •LinuxSecurity Advisories • August 5, 2026

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Audit Linux privileges now to limit compromise, escalation, and system-wide damage. Review Linux Privileges ×

This module provides code coverage metrics for Perl. Code coverage metrics

describe how thoroughly tests exercise code. By using Devel::Cover you can

discover areas of code not exercised by your tests and determine which

tests to create to increase coverage. Code coverage can be considered as an

indirect measure of quality.

Update Perl to 5.42.3

* Mon Aug 3 2026 Jitka Plesnikova - 1.52-4 - Rebuild for Perl 5.42.3

[ 1 ] Bug #2489785 - CVE-2026-8376 perl: Perl: Heap buffer overflow when compiling regular expressions on 32-bit builds [fedora-all] [ 2 ] Bug #2506204 - CVE-2026-57432 perl: Perl: Information disclosure via integer overflow in pack/unpack operations [fedora-all]

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-475559cbb9' at the command line. For more information, refer to the dnf documentation available at

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical Heap Buffer Overflow Vulnerabilities in Fedora Perl Packages Fedora has issued advisories for critical heap buffer overflow vulnerabilities affecting Perl packages. The vulnerabilities, identified as CVE-2026-8376 and CVE-2026-57432, can lead to information disclosure and potential system compromise. The issues arise from flaws in 32-bit builds of Perl, impacting various modules including perl-Devel-Cover and perl-PAR. Users are advised to update to Perl version 5.42.3 to mitigate these risks. The vulnerabilities were published on May 25, 2026, and July 13, 2026, respectively. Administrators are urged to audit Linux privileges to limit potential damage. The updates can be installed via the 'dnf' package manager. Immediate action is recommended to ensure system security. 5 sources 72

Extracted Entities

Fedora perl-Devel-Cover Important Heap Overflow Info CVE-2026

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Extracted Entities

CVEs (2)

CWE Weaknesses (3)

Platforms (1)