The (1) Sreghop3, (2) Sreghop4, and (3) S_reghopmaybe3 functions in regexec.c in Perl before 5.24.0 allow context-dependent attackers to cause a denial of service (infinite loop) via crafted utf-8 data, as demonstrated by "a\x80."
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "perl-debug": "5.18.2-2ubuntu1.4", "perl": "5.18.2-2ubuntu1.4", "perl-modules": "5.18.2-2ubuntu1.4", "libperl-dev": "5.18.2-2ubuntu1.4", "libperl5.18": "5.18.2-2ubuntu1.4", "libcgi-fast-perl": "5.18.2-2ubuntu1.4", "perl-doc": "5.18.2-2ubuntu1.4", "perl-base": "5.18.2-2ubuntu1.4" } ] }