openSUSE-SU-2026:21411-1: important: Security update for perl

openSUSE security update: security update for perl
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:21411-1
Rating: important
References:

  * bsc#1266304
  * bsc#1266361
  * bsc#1268349
  * bsc#1271372
  * bsc#1271386



Cross-References:

  * CVE-2025-15649
  * CVE-2026-12087
  * CVE-2026-13221
  * CVE-2026-57432
  * CVE-2026-8376



CVSS scores:

  * CVE-2025-15649 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-12087 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-13221 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  * CVE-2026-13221 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-57432 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-57432 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-8376 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-8376 ( SUSE ): 5.9 CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

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An update that solves 5 vulnerabilities and has 5 bug fixes can now be installed.

Description:

This update for perl fixes the following issues:

- CVE-2025-15649: `IO:Uncompress:Unzip` propagates uncaught exception when parsing zip header with malformed DOS date
  (bsc#1266361).
- CVE-2026-8376: heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds
  (bsc#1266304).
- CVE-2026-12087: `Socket`'s `pack_ip_mreq_source()` can copy adjacent heap memory into the returned packed structure
  (bsc#1268349).
- CVE-2026-57432: an integer overflow in `S_measure_struct` leads to an out-of-bounds heap read in `pack` and `unpack`
  (bsc#1271372).
- CVE-2026-13221: regex trie branch-count overflow leads to silent false-positive/negative pattern matching
  (bsc#1271386).


Patch instructions:

   To install this openSUSE security update use the suse recommended installation methods
   like YaST online_update or "zypper patch".
   Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-1321=1

Package List:

- openSUSE Leap 16.0:

  perl-5.42.0-160000.3.1
  perl-base-5.42.0-160000.3.1
  perl-doc-5.42.0-160000.3.1

References:

  * https://www.suse.com/security/cve/CVE-2025-15649.html
  * https://www.suse.com/security/cve/CVE-2026-12087.html
  * https://www.suse.com/security/cve/CVE-2026-13221.html
  * https://www.suse.com/security/cve/CVE-2026-57432.html
  * https://www.suse.com/security/cve/CVE-2026-8376.html