CVE-2017-12837

HIGH

Perl < 5.24.3-RC1 and 5.26.x < 5.26.1-RC1 - Heap-Based Buffer Overflow via Regular Expression with \N{} Escape

Title source: llm
STIX 2.1

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.

References (9)

Core 9
Core References
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2017/dsa-3982
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/100860
Release Notes, Vendor Advisory x_refsource_confirm
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
Release Notes, Vendor Advisory x_refsource_confirm
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
Vendor Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20180426-0001/
Issue Tracking, Patch, Third Party Advisory, VDB Entry x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1492091
Various Sources x_refsource_confirm
https://rt.perl.org/Public/Bug/Display.html?id=131582

Scores

CVSS v3 7.5
EPSS 0.0621
EPSS Percentile 92.7%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-119
Status published
Products (2)
perl/perl 5.26.0
perl/perl < 5.24.2
Published Sep 19, 2017
Tracked Since Feb 18, 2026