CVE-2017-12837: perl

Vulnerability summary

CVE-2017-12837 is a high (CVSS 7.5) vulnerability in perl. EPSS estimates a 6.21% chance of exploitation in the next 30 days, higher than 93.5% of scored vulnerabilities.

Timeline

1. 19-09-2017
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.