perl: ambiguous environment variables handling

Perl might allow context-dependent attackers to bypass the taint protection mechanism in a child process via duplicate environment variables in envp...

SUSE CVE-2023-24056

In pkgconf through 1.9.3, variable duplication can cause unbounded string expansion due to incorrect checks in libpkgconf/tuple.c:pkgconftupleparse. For example, a .pc file containing a few hundred bytes can expand to one billion bytes...