Vulnerability DatabaseCVE-2017-20230
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CVE-2017-20230
Published:April 21, 2026
Updated:May 18, 2026
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.
Related Resources (6)
https://metacpan.org/release/RURBAN/Storable-3.05/changes
http://www.openwall.com/lists/oss-security/2026/04/21/5
https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.html
https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.html
https://github.com/Perl/perl5/issues/15831
https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patch
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CVSS v4
Base Score:
10
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
10
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Stack-based Buffer Overflow
CWE-121
EPSS
Base Score:
0.03