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CVE-2017-20230

Published: Apr 21, 2026

Modified: Apr 21, 2026

PUBLISHED

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.

Vendor	Product	Versions
NWCLARK	Storable	affected `0 - < 3.05`

Weaknesses (CWE)

References

https://github.com/Perl/perl5/issues/15831

issue-tracking

https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patch

patch

https://metacpan.org/release/RURBAN/Storable-3.05/changes

release-notes

https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.html

mailing-list

https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.html

mailing-list

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