CVE-2017-20230

perl: Storable versions before 3.05 for Perl has a stack overflow

CVE-2017-20230 is fixed in perl on 1 platform, first by DEBIAN-CVE-2017-20230, released May 15, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent
CVSS
10.0
critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0064
50th percentile

Storable versions before 3.05 for Perl has a stack overflow. The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.

Where it's fixed

ProductFixed inFixReleased
Linux
perl · Debian 12.15 (bookworm) 5.28.0-3 DEBIAN-CVE-2017-20230 May 15, 2026
perl · Debian 13.5 (trixie) 5.28.0-3 DEBIAN-CVE-2017-20230 May 15, 2026
perl · Debian 14 5.28.0-3 DEBIAN-CVE-2017-20230 May 15, 2026