{"id":"CVE-2018-6797","details":"An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.","modified":"2026-04-16T06:16:07.827163657Z","published":"2018-04-17T20:29:00.520Z","related":["SUSE-SU-2018:1074-1","SUSE-SU-2018:1972-1","SUSE-SU-2018:1972-2"],"references":[{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujul2020.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201909-01"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3625-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4172"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1040681"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1042004"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:1192"},{"type":"FIX","url":"https://rt.perl.org/Public/Bug/Display.html?id=132227"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/perl/perl5","events":[{"introduced":"a9acda3b5f74585852a57b51b724804ac586cb0b"},{"last_affected":"95388f2eb27e74cdbfb715c0097f16aeba4e6e4e"}],"database_specific":{"versions":[{"introduced":"5.18"},{"last_affected":"5.26"}]}}],"versions":["if-0.0603","if-0.0604","if-0.0605","v5.18.0","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","v5.25.0","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":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"17.10"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.3"}]},{"events":[{"introduced":"0"},{"last_affected":"7.4"}]},{"events":[{"introduced":"0"},{"last_affected":"7.5"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6797.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:H/I:H/A:H"}]}