# ALAS2023-2026-2007: Security update for 4 packages

ALAS2023-2026-2007, released August 3, 2026, fixes 4 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/alas2023-2026-2007
- Platform: Linux
- Released: Aug 3, 2026
- Priority: Urgent (Closes CVE-2026-57075, rated Critical)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2026-2007.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [perl-YAML-Syck](https://patchblox.com/security/data/product/linux/perl-yaml-syck.md) | amzn 2023 | 1.37-1.amzn2023.0.4 |
| [perl-YAML-Syck-debuginfo](https://patchblox.com/security/data/product/linux/perl-yaml-syck-debuginfo.md) | amzn 2023 | 1.37-1.amzn2023.0.4 |
| [perl-YAML-Syck-debugsource](https://patchblox.com/security/data/product/linux/perl-yaml-syck-debugsource.md) | amzn 2023 | 1.37-1.amzn2023.0.4 |
| [perl-YAML-Syck-tests](https://patchblox.com/security/data/product/linux/perl-yaml-syck-tests.md) | amzn 2023 | 1.37-1.amzn2023.0.4 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-57075](https://patchblox.com/security/data/cve/CVE-2026-57075.md) | Urgent | libyaml-syck-perl: YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via a signed-char lookup-table index in syck_bas... | 9.1 | 0.0063 |  |
| [CVE-2026-57077](https://patchblox.com/security/data/cve/CVE-2026-57077.md) | High | libyaml-syck-perl: YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via an unbounded newline scan in newline_len | 7.7 | 0.0019 |  |
| [CVE-2026-13713](https://patchblox.com/security/data/cve/CVE-2026-13713.md) | High | libyaml-syck-perl: YAML::Syck versions before 1.47 for Perl allow a use-after-free and double-free via an anchor node freed while still... | 7.5 | 0.0018 |  |
| [CVE-2026-57076](https://patchblox.com/security/data/cve/CVE-2026-57076.md) | High | libyaml-syck-perl: YAML::Syck versions before 1.47 for Perl allow a heap use-after-free via an anchor name reused as an anchors-table ke... | 7.8 | 0.0017 |  |

---

Data as of 2026-11-09T13:31:49Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.