{"action":"Upgrade libx11 to 1.6.6-r0 or later.","affected":[{"fixed":"1.6.6-r0","introduced":"0"}],"component":"libx11","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.13","exploited":false,"fixed_versions":["1.6.6-r0"],"id":"tcs_01M5NAAJSXV4SSXRAKFR15WNN4","modified_at":"2026-10-23T17:17:55.216154468Z","published_at":"2018-08-24T19:29:01.457Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2018-14599","https://security.alpinelinux.org/vuln/CVE-2018-14599"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2018-14599#Alpine:v3.13/libx11","url":"https://osv.dev/vulnerability/ALPINE-CVE-2018-14599"}],"summary":"An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspeci"}