Description
YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TINITA | YAML::LibYAML | < 0.903.0 | 0.903.0 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libyaml-libyaml-perl | 0.903.0+ds-1 | — |
| Debian 13 | libyaml-libyaml-perl | 0.903.0+ds-1 | — |
| Debian 12 | libyaml-libyaml-perl | 0.86+ds-1+deb12u1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | libyaml-libyaml-perl | 0.89+ds-1ubuntu0.24.04.1 | USN-7632-1 |
| Ubuntu 22.04 LTS | libyaml-libyaml-perl | 0.83+ds-1ubuntu0.22.04.1 | USN-7632-1 |
| Ubuntu 20.04 LTS | libyaml-libyaml-perl | No fix yet | — |
| Ubuntu 18.04 LTS | libyaml-libyaml-perl | No fix yet | — |
| Ubuntu 16.04 LTS | libyaml-libyaml-perl | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | perl-YAML-LibYAML | 1:0.82-6.1.el9_6 | RHSA-2025:9330 |
| RHEL 8 | perl-YAML-LibYAML | 1:0.70-2.el8_10 | RHSA-2025:9329 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.4 EUS | perl-YAML-LibYAML | 1:0.82-6.el9_4.1 | RHSA-2025:9338 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | perl-YAML-LibYAML | 1:0.82-6.1.el9_6 | ALSA-2025:9330 |
| AlmaLinux 8 | perl-YAML-LibYAML | 1:0.70-2.el8_10 | ALSA-2025:9329 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | perl-YAML-LibYAML | 1:0.82-6.1.el9_6 | RLSA-2025:9330 |
| Rocky Linux 8 | perl-YAML-LibYAML | 1:0.70-2.el8_10 | RLSA-2025:9329 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | perl-YAML-LibYAML | 0.904.0-150000.3.16.1 | SUSE-RU-2025:03081-1 |
| SLES 15 SP6 | perl-YAML-LibYAML | 0.890.0-150000.3.11.1 | SUSE-SU-2025:01886-1, SUSE-RU-2025:03081-1 |
| SLES 12 SP5 | perl-YAML-LibYAML | 0.38-11.3.1 | SUSE-SU-2025:01885-2, SUSE-SU-2025:01885-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | perl-YAML-LibYAML | 0.904.0-2.1 | openSUSE-SU-2025:15261-1 |
| openSUSE Leap 15.6 | perl-YAML-LibYAML | 0.890.0-150000.3.11.1 | SUSE-SU-2025:01886-1, SUSE-RU-2025:03081-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | perl-YAML-LibYAML | 1:0.82-4.amzn2023.0.3 | ALAS2023-2025-1036 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | perl-YAML-LibYAML | 0.902.0-2 | — |
| Azure Linux 2 (CBL-Mariner) | perl-YAML-LibYAML | No fix yet | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | perl-YAML-LibYAML | 1:0.82-6.1.el9_6 | ELSA-2025-9330 |
| Oracle Linux 8 | perl-YAML-LibYAML | 1:0.70-2.el8_10 | ELSA-2025-9329 |
Advisories 17
- ALSA-2025:9330 Important: perl-YAML-LibYAML security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2025:9329 Important: perl-YAML-LibYAML security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2025:9330 Red Hat Security Advisory: perl-YAML-LibYAML security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:9338 Red Hat Security Advisory: perl-YAML-LibYAML security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:9329 Red Hat Security Advisory: perl-YAML-LibYAML security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- USN-7632-1 libyaml-libyaml-perl vulnerability Ubuntu Security Notices (USN) · Apr 27, 2026
- openSUSE-SU-2025:15261-1 perl-YAML-LibYAML-0.904.0-2.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-RU-2025:03081-1 Recommended update for perl-YAML-LibYAML SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:01886-1 Security update for perl-YAML-LibYAML SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:01885-1 Security update for perl-YAML-LibYAML SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:01885-2 Security update for perl-YAML-LibYAML SUSE / openSUSE Security Updates · Feb 4, 2026
- RLSA-2025:9330 Important: perl-YAML-LibYAML security update Rocky Linux Security Advisories · Oct 7, 2025
- WID-SEC-2025-1370 Red Hat Enterprise Linux (yaml-libyam): Schwachstelle ermöglicht Manipulation von Dateien BSI CERT-Bund (WID) · Oct 5, 2025
- RLSA-2025:9329 Important: perl-YAML-LibYAML security update Rocky Linux Security Advisories · Jul 29, 2025
- ELSA-2025-9329 Important: perl-YAML-LibYAML security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jun 24, 2025
- ALAS2023-2025-1036 Moderate: perl-YAML-LibYAML security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jun 23, 2025
- ELSA-2025-9330 Important: perl-YAML-LibYAML security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jun 23, 2025