← Back to CVEs

CVE-2017-20230

CRITICAL

10.0

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.

CVE Details

CVSS v3.1 Score10.0

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/21/2026

Last Modified4/22/2026

Sourcenvd

Honeypot Sightings0

Affected Products

nwclark:storable

Weaknesses (CWE)

CWE-121

References

https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patch(9b29abf9-4ab0-4765-b253-1875cd9b441e)

https://github.com/Perl/perl5/issues/15831(9b29abf9-4ab0-4765-b253-1875cd9b441e)

https://metacpan.org/release/RURBAN/Storable-3.05/changes(9b29abf9-4ab0-4765-b253-1875cd9b441e)

https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.html(9b29abf9-4ab0-4765-b253-1875cd9b441e)

https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.html(9b29abf9-4ab0-4765-b253-1875cd9b441e)

http://www.openwall.com/lists/oss-security/2026/04/21/5(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.