# RHSA-2026:67162: perl-tests security update

RHSA-2026:67162, released September 19, 2026, fixes 1 CVE in perl-tests (version 4:5.26.3-423.el8_10.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-67162
- Platform: Linux
- Released: Sep 19, 2026
- Priority: High (Closes CVE-2026-13221, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:67162

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [perl-tests](https://patchblox.com/security/data/product/linux/perl-tests.md) | RHEL 8 | 4:5.26.3-423.el8_10.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-13221](https://patchblox.com/security/data/cve/CVE-2026-13221.md) | High | Perl versions through 5.43.9 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 | 9.1 | 0.0049 |  |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo