CVE-2017-12883

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.

• CWE-119

• http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patchPatch, Third Party Advisory
• http://www.debian.org/security/2017/dsa-3982
• http://www.securityfocus.com/bid/100852Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=1492093Issue Tracking, Patch, Third Party Advisory, VDB Entry
• https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1Patch, Vendor Advisory
• https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1Release Notes, Vendor Advisory
• https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1Release Notes, Vendor Advisory
• https://rt.perl.org/Public/Bug/Display.html?id=131598
• https://security.netapp.com/advisory/ntap-20180426-0001/
• https://www.oracle.com/security-alerts/cpujul2020.html
• http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patchPatch, Third Party Advisory
• http://www.debian.org/security/2017/dsa-3982
• http://www.securityfocus.com/bid/100852Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=1492093Issue Tracking, Patch, Third Party Advisory, VDB Entry
• https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1Patch, Vendor Advisory
• https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1Release Notes, Vendor Advisory
• https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1Release Notes, Vendor Advisory
• https://rt.perl.org/Public/Bug/Display.html?id=131598
• https://security.netapp.com/advisory/ntap-20180426-0001/
• https://www.oracle.com/security-alerts/cpujul2020.html

Published

Sep 19, 2017

Last Modified

Jun 17, 2026

Status

Modified

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