Malcrafted storable files or buffers.

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

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.

• https://github.com/Perl/perl5/issues/15831
• https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patch
• 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