CVEvulnerability
CVE-2017-20230
10.0 CRITICAL
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-21
- Last modified
- 2026-06-17
- Assigner
- 9b29abf9-4ab0-4765-b253-1875cd9b441e
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-121
Description
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.
Affected configurations
• nwclark storable (< 3.05)
Related
Weakness · CWE (1)
- CWE-121 Stack-based Buffer Overflow weakness
References
- https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patch Patch
- https://github.com/Perl/perl5/issues/15831 Issue Tracking
- https://metacpan.org/release/RURBAN/Storable-3.05/changes Release Notes
- https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.html Third Party Advisory
- https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.html Third Party Advisory
- http://www.openwall.com/lists/oss-security/2026/04/21/5 Mailing List