{"action":"Upgrade zlib to 1.2.11-r0 or later.","affected":[{"fixed":"1.2.11-r0","introduced":"1.2.3.4"}],"component":"zlib","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.5","exploited":false,"fixed_versions":["1.2.11-r0"],"id":"tcs_01M5N8RHBVM1HE9QJPE3QXNVZD","modified_at":"2026-09-22T06:17:50.254761407Z","published_at":"2017-05-23T04:29:01.837Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2016-9842","https://security.alpinelinux.org/vuln/CVE-2016-9842"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2016-9842#Alpine:v3.5/zlib","url":"https://osv.dev/vulnerability/ALPINE-CVE-2016-9842"}],"summary":"The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers."}