CVE-2025-40908

YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CPANSecCNA
---
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CISA-ADPADP
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
Debian logo
Debian Releases
Debian Product
Codename
libyaml-libyaml-perl
bullseye
vulnerable
bookworm
no-dsa
trixie
0.903.0+ds-1
fixed
sid
0.903.0+ds-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libyaml-libyaml-perl
plucky
not-affected
oracular
needs-triage
noble
needs-triage
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://github.com/ingydotnet/yaml-libyaml-pm/issues/120
https://github.com/ingydotnet/yaml-libyaml-pm/pull/121
https://github.com/ingydotnet/yaml-libyaml-pm/pull/122