perl-YAML-LibYAML: Kirill Siminov's "libyaml" is arguably the best YAML implementation
CVE-2025-40908 is fixed in 4 products on 1 platform, first by libyaml-libyaml-perl 0.83+ds-1ubuntu0.22.04.1, released June 1, 2025. It is not reported as exploited. Patch Radar priority: High.
Kirill Siminov's "libyaml" is arguably the best YAML implementation. The C library is written precisely to the YAML 1.1 specification. It was originally bound to Python and was later bound to Ruby. Security Fix(es): * yaml-libyaml: LibYAML Perl File Modification Vulnerability (CVE-2025-40908) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libyaml-libyaml-perl · Debian 12.15 (bookworm) | 0.86+ds-1+deb12u1 | DEBIAN-CVE-2025-40908 | Jun 1, 2025 |
| libyaml-libyaml-perl · Debian 13.5 (trixie) | 0.903.0+ds-1 | DEBIAN-CVE-2025-40908 | Jun 1, 2025 |
| libyaml-libyaml-perl · Debian 14 | 0.903.0+ds-1 | DEBIAN-CVE-2025-40908 | Jun 1, 2025 |
| libyaml-libyaml-perl · Ubuntu 22.04.1 LTS (jammy) | 0.83+ds-1ubuntu0.22.04.1 | libyaml-libyaml-perl 0.83+ds-1ubuntu0.22.04.1 | Jun 1, 2025 |
| libyaml-libyaml-perl · Ubuntu 24.04.5 LTS (noble) | 0.89+ds-1ubuntu0.24.04.1 | libyaml-libyaml-perl 0.89+ds-1ubuntu0.24.04.1 | Jun 1, 2025 |
| perl-YAML-LibYAML · RHEL 8 | 1:0.70-2.el8_10 | RHSA-2025:9329 | Jun 23, 2025 |
| perl-YAML-LibYAML · RHEL 9 | 1:0.82-6.1.el9_6 | RHSA-2025:9330 | Jun 23, 2025 |
| perl-YAML-LibYAML · almalinux 8 | 1:0.70-2.el8_10 | ALSA-2025:9329 | Jun 23, 2025 |
| perl-YAML-LibYAML · almalinux 9 | 1:0.82-6.1.el9_6 | ALSA-2025:9330 | Jun 23, 2025 |
| perl-YAML-LibYAML · amzn 2023 | 1:0.82-4.amzn2023.0.3 | ALAS2023-2025-1036 | Jun 18, 2025 |
| perl-YAML-LibYAML · ol 8 | 1:0.70-2.el8_10 | ELSA-2025-9329 | Jun 24, 2025 |
| perl-YAML-LibYAML · ol 9 | 1:0.82-6.1.el9_6 | ELSA-2025-9330 | Jun 23, 2025 |
| perl-YAML-LibYAML · opensuse-leap 15.6 | 0.904.0-150000.3.16.1 | SUSE-RU-2025:03081-1 | Sep 5, 2025 |
| perl-YAML-LibYAML · rocky 8 | 1:0.70-2.el8_10 | RLSA-2025:9329 | Jul 29, 2025 |
| perl-YAML-LibYAML · rocky 9 | 1:0.82-6.1.el9_6 | RLSA-2025:9330 | Oct 4, 2025 |
| perl-YAML-LibYAML · sles 15.6 | 0.904.0-150000.3.16.1 | SUSE-RU-2025:03081-1 | Sep 5, 2025 |
| perl-YAML-LibYAML · sles 15.7 | 0.904.0-150000.3.16.1 | SUSE-RU-2025:03081-1 | Sep 5, 2025 |
| perl-YAML-LibYAML-debuginfo · amzn 2023 | 1:0.82-4.amzn2023.0.3 | ALAS2023-2025-1036 | Jun 18, 2025 |
| perl-YAML-LibYAML-debugsource · amzn 2023 | 1:0.82-4.amzn2023.0.3 | ALAS2023-2025-1036 | Jun 18, 2025 |
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