Heap-based buffer overflow in the S_regatom function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to cause a denial of service (out-of-bounds write) via a regular expression with a '\N{}' escape and the case-insensitive modifier.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "5.24.2"
},
{
"introduced": "0"
},
{
"last_affected": "5.26.0"
}
]
}