View at Official debian advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2025-40908 not yet assigned priority: Debian including 1 source packages (libyaml-libyaml-perl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1.
YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified