CVE-2025-40908: YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified

9.1 CVSS

Description

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

CVSS Base Severity: CRITICAL

CVSS Base Score: 9.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Vendor: TINITA

Product: YAML::LibYAML

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 6.52% (scored less or equal to compared to others)

EPSS Date: 2025-06-06 (when was this score calculated)

2025-06-01 14:40:14 UTC
CVE

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