{"action":"Upgrade perl to 5.26.3-r0 or later.","affected":[{"introduced":"5.28.0"}],"component":"perl","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["5.26.3-r0"],"id":"tcs_01M5NAHX2WF4MM9CB41YCKCFMP","modified_at":"2026-10-23T17:17:55.232850970Z","published_at":"2018-12-07T21:29:00.407Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2018-18311","https://security.alpinelinux.org/vuln/CVE-2018-18311"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2018-18311#Alpine:v3.23/perl","url":"https://osv.dev/vulnerability/ALPINE-CVE-2018-18311"}],"summary":"Perl before 5.26.3 and 5.28.x before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations."}