Skip to content
OpenAdvisories
Medium ALSA-2026:67156 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 · 10 perl 4:5.40.2-515.el10_2
AlmaLinux · 10 perl-Attribute-Handlers 1.03-515.el10_2
AlmaLinux · 10 perl-AutoLoader 5.74-515.el10_2
AlmaLinux · 10 perl-AutoSplit 5.74-515.el10_2
AlmaLinux · 10 perl-autouse 1.11-515.el10_2
AlmaLinux · 10 perl-B 1.89-515.el10_2
AlmaLinux · 10 perl-base 2.27-515.el10_2
AlmaLinux · 10 perl-Benchmark 1.25-515.el10_2
AlmaLinux · 10 perl-blib 1.07-515.el10_2
AlmaLinux · 10 perl-Class-Struct 0.68-515.el10_2
AlmaLinux · 10 perl-Config-Extensions 0.03-515.el10_2
AlmaLinux · 10 perl-DBM_Filter 0.06-515.el10_2
AlmaLinux · 10 perl-debugger 1.60-515.el10_2
AlmaLinux · 10 perl-deprecate 0.04-515.el10_2
AlmaLinux · 10 perl-devel 4:5.40.2-515.el10_2
AlmaLinux · 10 perl-Devel-Peek 1.34-515.el10_2
AlmaLinux · 10 perl-Devel-SelfStubber 1.06-515.el10_2
AlmaLinux · 10 perl-diagnostics 1.40-515.el10_2
AlmaLinux · 10 perl-DirHandle 1.05-515.el10_2
AlmaLinux · 10 perl-doc 5.40.2-515.el10_2
AlmaLinux · 10 perl-Dumpvalue 2.27-515.el10_2
AlmaLinux · 10 perl-DynaLoader 1.56-515.el10_2
AlmaLinux · 10 perl-encoding-warnings 0.14-515.el10_2
AlmaLinux · 10 perl-English 1.11-515.el10_2
AlmaLinux · 10 perl-Errno 1.38-515.el10_2
AlmaLinux · 10 perl-ExtUtils-Constant 0.25-515.el10_2
AlmaLinux · 10 perl-ExtUtils-Embed 1.35-515.el10_2
AlmaLinux · 10 perl-ExtUtils-Miniperl 1.14-515.el10_2
AlmaLinux · 10 perl-Fcntl 1.18-515.el10_2
AlmaLinux · 10 perl-fields 2.27-515.el10_2
AlmaLinux · 10 perl-File-Basename 2.86-515.el10_2
AlmaLinux · 10 perl-File-Compare 1.100.800-515.el10_2
AlmaLinux · 10 perl-File-Copy 2.41-515.el10_2
AlmaLinux · 10 perl-File-DosGlob 1.12-515.el10_2
AlmaLinux · 10 perl-File-Find 1.44-515.el10_2
AlmaLinux · 10 perl-File-stat 1.14-515.el10_2
AlmaLinux · 10 perl-FileCache 1.10-515.el10_2
AlmaLinux · 10 perl-FileHandle 2.05-515.el10_2
AlmaLinux · 10 perl-filetest 1.03-515.el10_2
AlmaLinux · 10 perl-FindBin 1.54-515.el10_2
AlmaLinux · 10 perl-GDBM_File 1:1.24-515.el10_2
AlmaLinux · 10 perl-Getopt-Std 1.14-515.el10_2
AlmaLinux · 10 perl-Hash-Util 0.32-515.el10_2
AlmaLinux · 10 perl-Hash-Util-FieldHash 1.27-515.el10_2
AlmaLinux · 10 perl-I18N-Collate 1.02-515.el10_2
AlmaLinux · 10 perl-I18N-Langinfo 0.24-515.el10_2
AlmaLinux · 10 perl-I18N-LangTags 0.45-515.el10_2
AlmaLinux · 10 perl-if 0.61.000-515.el10_2
AlmaLinux · 10 perl-interpreter 4:5.40.2-515.el10_2
AlmaLinux · 10 perl-IO 1.55-515.el10_2
AlmaLinux · 10 perl-IPC-Open3 1.22-515.el10_2
AlmaLinux · 10 perl-less 0.03-515.el10_2
AlmaLinux · 10 perl-lib 0.65-515.el10_2
AlmaLinux · 10 perl-libnetcfg 4:5.40.2-515.el10_2
AlmaLinux · 10 perl-libs 4:5.40.2-515.el10_2
AlmaLinux · 10 perl-locale 1.12-515.el10_2
AlmaLinux · 10 perl-Locale-Maketext-Simple 1:0.21-515.el10_2
AlmaLinux · 10 perl-macros 4:5.40.2-515.el10_2
AlmaLinux · 10 perl-Math-Complex 1.62-515.el10_2
AlmaLinux · 10 perl-Memoize 1.16-515.el10_2
AlmaLinux · 10 perl-meta-notation 5.40.2-515.el10_2
AlmaLinux · 10 perl-Module-Loaded 1:0.08-515.el10_2
AlmaLinux · 10 perl-mro 1.29-515.el10_2
AlmaLinux · 10 perl-NDBM_File 1.17-515.el10_2
AlmaLinux · 10 perl-Net 1.04-515.el10_2
AlmaLinux · 10 perl-NEXT 0.69-515.el10_2
AlmaLinux · 10 perl-ODBM_File 1.18-515.el10_2
AlmaLinux · 10 perl-Opcode 1.65-515.el10_2
AlmaLinux · 10 perl-open 1.13-515.el10_2
AlmaLinux · 10 perl-overload 1.37-515.el10_2
AlmaLinux · 10 perl-overloading 0.02-515.el10_2
AlmaLinux · 10 perl-ph 5.40.2-515.el10_2
AlmaLinux · 10 perl-Pod-Functions 1.14-515.el10_2
AlmaLinux · 10 perl-Pod-Html 1.35-515.el10_2
AlmaLinux · 10 perl-POSIX 2.20-515.el10_2
AlmaLinux · 10 perl-Safe 2.46-515.el10_2
AlmaLinux · 10 perl-Search-Dict 1.07-515.el10_2
AlmaLinux · 10 perl-SelectSaver 1.02-515.el10_2
AlmaLinux · 10 perl-SelfLoader 1.27-515.el10_2
AlmaLinux · 10 perl-sigtrap 1.10-515.el10_2
AlmaLinux · 10 perl-sort 2.05-515.el10_2
AlmaLinux · 10 perl-subs 1.04-515.el10_2
AlmaLinux · 10 perl-Symbol 1.09-515.el10_2
AlmaLinux · 10 perl-Sys-Hostname 1.25-515.el10_2
AlmaLinux · 10 perl-Term-Complete 1.403-515.el10_2
AlmaLinux · 10 perl-Term-ReadLine 1.17-515.el10_2
AlmaLinux · 10 perl-Test 1.31-515.el10_2
AlmaLinux · 10 perl-Text-Abbrev 1.02-515.el10_2
AlmaLinux · 10 perl-Thread 3.05-515.el10_2
AlmaLinux · 10 perl-Thread-Semaphore 2.13-515.el10_2
AlmaLinux · 10 perl-Tie 4.6-515.el10_2
AlmaLinux · 10 perl-Tie-File 1.09-515.el10_2
AlmaLinux · 10 perl-Tie-Memoize 1.1-515.el10_2
AlmaLinux · 10 perl-Time 1.04-515.el10_2
AlmaLinux · 10 perl-Time-Piece 1.3401-515.el10_2
AlmaLinux · 10 perl-Unicode-UCD 0.78-515.el10_2
AlmaLinux · 10 perl-User-pwent 1.05-515.el10_2
AlmaLinux · 10 perl-utils 5.40.2-515.el10_2
AlmaLinux · 10 perl-vars 1.05-515.el10_2
AlmaLinux · 10 perl-vmsish 1.04-515.el10_2

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/10/ALSA-2026-67156.html