CVE-2017-20230Storable versions before 3.05 for Perl has a stack overflow.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 10.0 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-121
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
nwclark storable nwclark:storable | before 3.05 | NVD |
References
- https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patchpatch
- https://github.com/Perl/perl5/issues/15831issue-tracking
- https://metacpan.org/release/RURBAN/Storable-3.05/changesrelease-notes
- https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.htmlthird-party-advisory
- https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.htmlthird-party-advisory
- http://www.openwall.com/lists/oss-security/2026/04/21/5mailing-list
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.