CVE-2017-12837

Published: 19 September 2017

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.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
perl
Launchpad, Ubuntu, Debian
Upstream
Released (5.26.0-8)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(5.26.0-8ubuntu1)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (5.22.1-9ubuntu0.2)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (5.18.2-2ubuntu1.3)
Patches:
Upstream: https://perl5.git.perl.org/perl.git/commitdiff/96c83ed78aeea1a0496dd2b2d935869a822dc8a5