CVE-2017-20230
Storable versions before 3.05 for Perl has a stack overflow
- State
- Published
- Severity
- 10.0 Critical
- Published
- Apr 21, 2026
- Updated
- Apr 21, 2026
- Reserved
- Mar 28, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 10.0 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-121 Stack-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
StorableNWCLARK |
|
References
- https://github.com/Perl/perl5/issues/15831issue-tracking
- https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patchpatch
- https://metacpan.org/release/RURBAN/Storable-3.05/changesrelease-notes
- https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.htmlmailing-list
- https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.htmlmailing-list
- http://www.openwall.com/lists/oss-security/2026/04/21/5
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