The vulnerability of the decode_xs function in the Perl programming language allows a hacker to trigger a service failure.

The vulnerability of the decodexs function in the Perl programming language is related to errors in number processing. Exploiting this vulnerability can allow an attacker to cause service failures remotely...

Heap overflow

Off-by-one error in the decodexs function in Unicode/Unicode.xs in the Encode module before 2.44, as used in Perl before 5.15.6, might allow context-dependent attackers to cause a denial of service memory corruption via a crafted Unicode string, which triggers a heap-based buffer overflow...