CVE-2017-12883

9.1 CRITICAL
Published: September 19, 2017 Modified: May 13, 2026
View on NVD

Description

Buffer overflow in the S_grok_bslash_N 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 disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\N{U+...}' escape.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/100852
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1492093
Source: cve@mitre.org
Issue Tracking Patch Third Party Advisory VDB Entry
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
Source: cve@mitre.org
Release Notes Vendor Advisory
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
Source: cve@mitre.org
Release Notes Vendor Advisory
http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://www.debian.org/security/2017/dsa-3982
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/100852
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1492093
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory VDB Entry
https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://rt.perl.org/Public/Bug/Display.html?id=131598
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.netapp.com/advisory/ntap-20180426-0001/
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.oracle.com/security-alerts/cpujul2020.html
Source: af854a3a-2127-422b-91ae-364da2661108

20 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.1 / 10.0
EPSS (Exploit Probability)
5.9%
92th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

perl