# ELSA-2026-6470: perl-YAML-Syck security update

ELSA-2026-6470, released April 3, 2026, fixes 1 CVE in perl-YAML-Syck (version 0:1.30-6.el8_10). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2026-6470
- Platform: Linux
- Released: Apr 3, 2026
- Priority: High (Closes CVE-2026-4177, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2026-6470.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [perl-YAML-Syck](https://patchblox.com/security/data/product/linux/perl-yaml-syck.md) | ol 8 | 0:1.30-6.el8_10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-4177](https://patchblox.com/security/data/cve/CVE-2026-4177.md) | High | perl-YAML-Syck: This module provides a Perl interface to the libsyck data serialization library | 9.1 | 0.0046 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo