CVE-2025-40908

critical

Description

YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified

References

https://github.com/ingydotnet/yaml-libyaml-pm/pull/122

https://github.com/ingydotnet/yaml-libyaml-pm/pull/121

https://github.com/ingydotnet/yaml-libyaml-pm/issues/120

Details

Source: Mitre, NVD

Published: 2025-06-01

Updated: 2025-06-02

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.00029