{"action":"Upgrade glibc to 2.26-4 or later.","affected":[{"fixed":"2.26-4","introduced":"0"}],"component":"glibc","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.26-4"],"id":"tcs_01M5NCTDKZPQHCG6KC5YRPDZCB","modified_at":"2026-10-23T18:02:55.449287278Z","published_at":"2018-01-31T14:29:00.607Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-1000001","https://security-tracker.debian.org/tracker/CVE-2018-1000001"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-1000001#Debian:14/glibc","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-1000001"}],"summary":"In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution."}