https://seclists.org/oss-sec/2026/q3/160: CVE-2026-57076: YAML::Syck versions befo1.47 for Perl allow a heap use-after-fe via an anchor name used as an anchors-table key in syck_hdlr_add_anchor

Published Jul 16, 2026
·
Updated

Affected Software

1 affected component
Perl YAML::Syck<1.47
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Frequently Asked Questions

1

What is the severity of CVE-2026-57076?

CVE-2026-57076 is classified as a high severity vulnerability due to potential heap corruption.

2

How do I fix CVE-2026-57076?

To fix CVE-2026-57076, update YAML::Syck to version 1.47 or later.

3

What applications are affected by CVE-2026-57076?

CVE-2026-57076 affects applications that utilize Perl's YAML::Syck versions before 1.47.

4

What type of vulnerability is CVE-2026-57076?

CVE-2026-57076 is a heap use-after-free vulnerability related to anchor names in YAML processing.

5

When was CVE-2026-57076 published?

CVE-2026-57076 was published on July 16, 2026.

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