Linux · 
Debian · Security advisory · October 5, 2026
Debian · Security advisory · October 5, 2026DEBIAN-CVE-2017-20285: libyaml-perl security update
DEBIAN-CVE-2017-20285, released October 5, 2026, fixes 1 CVE in libyaml-perl (version 1.30-1). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
1
1 rated Critical
Exploited
0
None reported
Highest CVSS
9.1
Base score, 0 to 10
Highest EPSS
0.0034
27th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libyaml-perl | Debian 12.15 (bookworm) | 1.30-1 |
| libyaml-perl | Debian 13.5 (trixie) | 1.30-1 |
| libyaml-perl | Debian 14 | 1.30-1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2017-20285 | libyaml-perl: YAML versions before 1.30 for Perl allow a loaded document to trigger the DESTROY method of arbitrary classes | 9.1 | 0.0034 | None reported |
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