$Heap-based Buffer Overflow in Perl's S_regatom Function with '\N{}' Escape and Case-Insensitive Modifier$

Heap-based Buffer Overflow in Perl's S_regatom Function with '\N{}' Escape and Case-Insensitive Modifier

CVE-2017-12837 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

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.

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