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CVE-2017-12837

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-3478-1
Posted Nov 14, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3478-1 - Jakub Wilk discovered that Perl incorrectly handled certain regular expressions. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, perl
systems | linux, ubuntu
advisories | CVE-2017-12837, CVE-2017-12883
SHA-256 | 4110b15e29d147493be4523d5ce7d758642b163da3bc0f38eebaf8b8d4cfb359
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