Debian/libyaml-syck-perl: medium 6.2
YAML::Syck versions before 1.47 for Perl allow a use-after-free and double-free via an anchor node freed while still on the parser value stack. In the bundled libsyck, when an anchor name is redefined
Action: Upgrade libyaml-syck-perl to 1.34-2+deb13u3 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.34-2+deb13u3 | - |
Fixed versions
| 1.34-2+deb13u3 |
Sources
- osv: DEBIAN-CVE-2026-13713#Debian:13/libyaml-syck-perl
- https://security-tracker.debian.org/tracker/CVE-2026-13713
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