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.
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
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| 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 |
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