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
---
---
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
VendorProductVersion
ingydotnetyaml-libyaml
𝑥
< 0.903.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libyaml-libyaml-perl
bullseye
postponed
bookworm
no-dsa
sid
0.903.0+ds-1
fixed
trixie
0.903.0+ds-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libyaml-libyaml-perl
plucky
not-affected
oracular
ignored
noble
Fixed 0.89+ds-1ubuntu0.24.04.1
released
jammy
Fixed 0.83+ds-1ubuntu0.22.04.1
released
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