{"id":"CVE-2017-12837","details":"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.","modified":"2026-04-16T06:20:17.609532280Z","published":"2017-09-19T18:29:00.167Z","related":["SUSE-SU-2017:3092-1","openSUSE-SU-2024:11158-1"],"references":[{"type":"WEB","url":"https://rt.perl.org/Public/Bug/Display.html?id=131582"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujul2020.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/100860"},{"type":"ADVISORY","url":"http://www.debian.org/security/2017/dsa-3982"},{"type":"ADVISORY","url":"https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1"},{"type":"ADVISORY","url":"https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20180426-0001/"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1492091"},{"type":"FIX","url":"https://perl5.git.perl.org/perl.git/commitdiff/96c83ed78aeea1a0496dd2b2d935869a822dc8a5"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/perl/perl5","events":[{"introduced":"0"},{"last_affected":"eb3b805818a89c08b5564d383beddf70f69af1a3"},{"introduced":"0"},{"last_affected":"95388f2eb27e74cdbfb715c0097f16aeba4e6e4e"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"5.24.2"},{"introduced":"0"},{"last_affected":"5.26.0"}]}}],"versions":["GitLive-blead","if-0.0603","if-0.0604","if-0.0605","perl-1.0","perl-2.0","perl-3.000","perl-3.044","perl-4.0.00","perl-4.0.36","perl-5.000","perl-5.000o","perl-5.001","perl-5.001n","perl-5.002","perl-5.002_01","perl-5.003","perl-5.005","perl-5.6.0","perl-5.7.0","perl-5.7.1","perl-5.7.2","perl-5.7.3","perl-5.8.0","perl-5.9.0","perl-5.9.1","perl-5.9.2","perl-5.9.3","perl-5.9.4","perl-5.9.5","perl-5a2","perl-5a9","v5.10.0","v5.11.0","v5.11.1","v5.11.3","v5.11.4","v5.11.5","v5.12.0","v5.12.0-RC0","v5.12.0-RC1","v5.12.0-RC2","v5.12.0-RC3","v5.12.0-RC4","v5.12.0-RC5","v5.13.0","v5.13.1","v5.13.10","v5.13.11","v5.13.2","v5.13.3","v5.13.4","v5.13.5","v5.13.6","v5.13.7","v5.13.8","v5.13.9","v5.14.0","v5.14.0-RC1","v5.14.0-RC2","v5.14.0-RC3","v5.15.0","v5.15.1","v5.15.2","v5.15.3","v5.15.4","v5.15.5","v5.15.9","v5.16.0","v5.16.0-RC1","v5.16.0-RC2","v5.17.0","v5.17.2","v5.17.4","v5.17.6","v5.17.7","v5.17.7.0","v5.17.8","v5.17.9","v5.18.0","v5.18.0-RC1","v5.18.0-RC2","v5.18.0-RC3","v5.18.0-RC4","v5.19.0","v5.19.1","v5.19.11","v5.19.2","v5.19.3","v5.19.5","v5.19.7","v5.20.0","v5.20.0-RC1","v5.21.0","v5.21.1","v5.21.10","v5.21.11","v5.21.4","v5.21.5","v5.21.6","v5.21.8","v5.21.9","v5.22.0","v5.22.0-RC1","v5.22.0-RC2","v5.23.0","v5.23.1","v5.23.2","v5.23.3","v5.23.4","v5.23.6","v5.23.7","v5.24.0","v5.24.0-RC1","v5.24.0-RC2","v5.24.0-RC3","v5.24.0-RC4","v5.24.0-RC5","v5.24.1","v5.24.1-RC1","v5.24.1-RC2","v5.24.1-RC3","v5.24.1-RC4","v5.24.1-RC5","v5.24.2","v5.24.2-RC1","v5.25.0","v5.25.11","v5.25.2","v5.25.3","v5.25.4","v5.25.5","v5.25.7","v5.25.9","v5.26.0","v5.26.0-RC2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12837.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}