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OpenAdvisories
Medium ALSA-2026:67155 1 CVE

Moderate: perl security update

Published Sep 14, 2026 · Updated Oct 29, 2026

Summary

Perl is a high-level programming language that is commonly used for system administration utilities and web programming.

Security Fix(es):

* perl: Perl: Incorrect regular expression processing via large regular expressions (CVE-2026-13221)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 100

ReleasePackageFixed in
AlmaLinux · 9 perl 4:5.32.1-484.el9_8
AlmaLinux · 9 perl-Attribute-Handlers 1.01-484.el9_8
AlmaLinux · 9 perl-AutoLoader 5.74-484.el9_8
AlmaLinux · 9 perl-AutoSplit 5.74-484.el9_8
AlmaLinux · 9 perl-autouse 1.11-484.el9_8
AlmaLinux · 9 perl-B 1.80-484.el9_8
AlmaLinux · 9 perl-base 2.27-484.el9_8
AlmaLinux · 9 perl-Benchmark 1.23-484.el9_8
AlmaLinux · 9 perl-blib 1.07-484.el9_8
AlmaLinux · 9 perl-Class-Struct 0.66-484.el9_8
AlmaLinux · 9 perl-Config-Extensions 0.03-484.el9_8
AlmaLinux · 9 perl-DBM_Filter 0.06-484.el9_8
AlmaLinux · 9 perl-debugger 1.56-484.el9_8
AlmaLinux · 9 perl-deprecate 0.04-484.el9_8
AlmaLinux · 9 perl-devel 4:5.32.1-484.el9_8
AlmaLinux · 9 perl-Devel-Peek 1.28-484.el9_8
AlmaLinux · 9 perl-Devel-SelfStubber 1.06-484.el9_8
AlmaLinux · 9 perl-diagnostics 1.37-484.el9_8
AlmaLinux · 9 perl-DirHandle 1.05-484.el9_8
AlmaLinux · 9 perl-doc 5.32.1-484.el9_8
AlmaLinux · 9 perl-Dumpvalue 2.27-484.el9_8
AlmaLinux · 9 perl-DynaLoader 1.47-484.el9_8
AlmaLinux · 9 perl-encoding-warnings 0.13-484.el9_8
AlmaLinux · 9 perl-English 1.11-484.el9_8
AlmaLinux · 9 perl-Errno 1.30-484.el9_8
AlmaLinux · 9 perl-ExtUtils-Constant 0.25-484.el9_8
AlmaLinux · 9 perl-ExtUtils-Embed 1.35-484.el9_8
AlmaLinux · 9 perl-ExtUtils-Miniperl 1.09-484.el9_8
AlmaLinux · 9 perl-Fcntl 1.13-484.el9_8
AlmaLinux · 9 perl-fields 2.27-484.el9_8
AlmaLinux · 9 perl-File-Basename 2.85-484.el9_8
AlmaLinux · 9 perl-File-Compare 1.100.600-484.el9_8
AlmaLinux · 9 perl-File-Copy 2.34-484.el9_8
AlmaLinux · 9 perl-File-DosGlob 1.12-484.el9_8
AlmaLinux · 9 perl-File-Find 1.37-484.el9_8
AlmaLinux · 9 perl-File-stat 1.09-484.el9_8
AlmaLinux · 9 perl-FileCache 1.10-484.el9_8
AlmaLinux · 9 perl-FileHandle 2.03-484.el9_8
AlmaLinux · 9 perl-filetest 1.03-484.el9_8
AlmaLinux · 9 perl-FindBin 1.51-484.el9_8
AlmaLinux · 9 perl-GDBM_File 1.18-484.el9_8
AlmaLinux · 9 perl-Getopt-Std 1.12-484.el9_8
AlmaLinux · 9 perl-Hash-Util 0.23-484.el9_8
AlmaLinux · 9 perl-Hash-Util-FieldHash 1.20-484.el9_8
AlmaLinux · 9 perl-I18N-Collate 1.02-484.el9_8
AlmaLinux · 9 perl-I18N-Langinfo 0.19-484.el9_8
AlmaLinux · 9 perl-I18N-LangTags 0.44-484.el9_8
AlmaLinux · 9 perl-if 0.60.800-484.el9_8
AlmaLinux · 9 perl-interpreter 4:5.32.1-484.el9_8
AlmaLinux · 9 perl-IO 1.43-484.el9_8
AlmaLinux · 9 perl-IPC-Open3 1.21-484.el9_8
AlmaLinux · 9 perl-less 0.03-484.el9_8
AlmaLinux · 9 perl-lib 0.65-484.el9_8
AlmaLinux · 9 perl-libnetcfg 4:5.32.1-484.el9_8
AlmaLinux · 9 perl-libs 4:5.32.1-484.el9_8
AlmaLinux · 9 perl-locale 1.09-484.el9_8
AlmaLinux · 9 perl-Locale-Maketext-Simple 1:0.21-484.el9_8
AlmaLinux · 9 perl-macros 4:5.32.1-484.el9_8
AlmaLinux · 9 perl-Math-Complex 1.59-484.el9_8
AlmaLinux · 9 perl-Memoize 1.03-484.el9_8
AlmaLinux · 9 perl-meta-notation 5.32.1-484.el9_8
AlmaLinux · 9 perl-Module-Loaded 1:0.08-484.el9_8
AlmaLinux · 9 perl-mro 1.23-484.el9_8
AlmaLinux · 9 perl-NDBM_File 1.15-484.el9_8
AlmaLinux · 9 perl-Net 1.02-484.el9_8
AlmaLinux · 9 perl-NEXT 0.67-484.el9_8
AlmaLinux · 9 perl-ODBM_File 1.16-484.el9_8
AlmaLinux · 9 perl-Opcode 1.48-484.el9_8
AlmaLinux · 9 perl-open 1.12-484.el9_8
AlmaLinux · 9 perl-overload 1.31-484.el9_8
AlmaLinux · 9 perl-overloading 0.02-484.el9_8
AlmaLinux · 9 perl-ph 5.32.1-484.el9_8
AlmaLinux · 9 perl-Pod-Functions 1.13-484.el9_8
AlmaLinux · 9 perl-Pod-Html 1.25-484.el9_8
AlmaLinux · 9 perl-POSIX 1.94-484.el9_8
AlmaLinux · 9 perl-Safe 2.41-484.el9_8
AlmaLinux · 9 perl-Search-Dict 1.07-484.el9_8
AlmaLinux · 9 perl-SelectSaver 1.02-484.el9_8
AlmaLinux · 9 perl-SelfLoader 1.26-484.el9_8
AlmaLinux · 9 perl-sigtrap 1.09-484.el9_8
AlmaLinux · 9 perl-sort 2.04-484.el9_8
AlmaLinux · 9 perl-subs 1.03-484.el9_8
AlmaLinux · 9 perl-Symbol 1.08-484.el9_8
AlmaLinux · 9 perl-Sys-Hostname 1.23-484.el9_8
AlmaLinux · 9 perl-Term-Complete 1.403-484.el9_8
AlmaLinux · 9 perl-Term-ReadLine 1.17-484.el9_8
AlmaLinux · 9 perl-Test 1.31-484.el9_8
AlmaLinux · 9 perl-Text-Abbrev 1.02-484.el9_8
AlmaLinux · 9 perl-Thread 3.05-484.el9_8
AlmaLinux · 9 perl-Thread-Semaphore 2.13-484.el9_8
AlmaLinux · 9 perl-Tie 4.6-484.el9_8
AlmaLinux · 9 perl-Tie-File 1.06-484.el9_8
AlmaLinux · 9 perl-Tie-Memoize 1.1-484.el9_8
AlmaLinux · 9 perl-Time 1.03-484.el9_8
AlmaLinux · 9 perl-Time-Piece 1.3401-484.el9_8
AlmaLinux · 9 perl-Unicode-UCD 0.75-484.el9_8
AlmaLinux · 9 perl-User-pwent 1.03-484.el9_8
AlmaLinux · 9 perl-utils 5.32.1-484.el9_8
AlmaLinux · 9 perl-vars 1.05-484.el9_8
AlmaLinux · 9 perl-vmsish 1.04-484.el9_8

Vulnerabilities 1

  • Critical 9.1

    Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.10 produce silently incorrect regular expression matches when an alternation of more than 65535 fixed string branches is compiled into a trie in Perl_study_chunk

    Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.10 produce silently incorrect regular expression matches when an alternation of more than 65535 fixed string branches is compiled into a trie in Perl_study_chunk. When suc…

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-13221
  • report
    https://bugzilla.redhat.com/2499727
  • advisory
    https://errata.almalinux.org/9/ALSA-2026-67155.html