CVE-2017-20230
CRITICALDescription
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 v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploit Intelligence
Moderate risk: more likely to be exploited than 46% of all known CVEs.
References
- https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patch
- https://github.com/Perl/perl5/issues/15831
- https://metacpan.org/release/RURBAN/Storable-3.05/changes
- https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.html
- https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.html
- http://www.openwall.com/lists/oss-security/2026/04/21/5
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-22.