CVE-2025-40908

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-40908
YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified

9.1 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/ingydotnet/yaml-libyaml-pm/issues/120 Exploit Issue Tracking
https://github.com/ingydotnet/yaml-libyaml-pm/pull/121 Issue Tracking Patch
https://github.com/ingydotnet/yaml-libyaml-pm/pull/122 Issue Tracking Patch
Configurations

Configuration 1 (hide)

cpe:2.3:a:ingydotnet:yaml-libyaml:*:*:*:*:*:perl:*:*
History

02 Jul 2025, 15:43

Type Values Removed Values Added
Summary
  • (es) YAML-LibYAML anterior a 0.903.0 para Perl usa 2 argumentos abiertos, lo que permite modificar archivos existentes
References () https://github.com/ingydotnet/yaml-libyaml-pm/issues/120 - () https://github.com/ingydotnet/yaml-libyaml-pm/issues/120 - Exploit, Issue Tracking
References () https://github.com/ingydotnet/yaml-libyaml-pm/pull/121 - () https://github.com/ingydotnet/yaml-libyaml-pm/pull/121 - Issue Tracking, Patch
References () https://github.com/ingydotnet/yaml-libyaml-pm/pull/122 - () https://github.com/ingydotnet/yaml-libyaml-pm/pull/122 - Issue Tracking, Patch
CPE cpe:2.3:a:ingydotnet:yaml-libyaml:*:*:*:*:*:perl:*:*
First Time Ingydotnet yaml-libyaml
Ingydotnet

02 Jun 2025, 04:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.1

01 Jun 2025, 14:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-06-01 14:15

Updated : 2025-07-02 15:43

NVD link : CVE-2025-40908

Mitre link : CVE-2025-40908

CVE.ORG link : CVE-2025-40908

JSON object : View

Products Affected

ingydotnet

  • yaml-libyaml
CWE
CWE-552

Files or Directories Accessible to External Parties