CVE-2017-20230

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 10.0 CRITICAL

10.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

cpe:2.3:a:nwclark:storable:*:*:*:*:*:perl:*:*

History

No history.

Information

Published : 2026-04-21 16:16

Updated : 2026-06-17 01:15

NVD link : CVE-2017-20230

Mitre link : CVE-2017-20230

CVE.ORG link : CVE-2017-20230

JSON object : View

Products Affected

nwclark

storable

CWE

CWE-121

Stack-based Buffer Overflow

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