{"action":"Upgrade glibc to 2.21-1 or later.","affected":[{"fixed":"2.21-1","introduced":"0"}],"component":"glibc","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.21-1"],"id":"tcs_01M5NBBW2RNDEP50X8KH00QQCX","modified_at":"2026-09-09T07:02:00.027393199Z","published_at":"2016-01-20T05:59:01.237Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2015-8777","https://security-tracker.debian.org/tracker/CVE-2015-8777"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2015-8777","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2015-8777"}],"summary":"The process_envvars function in elf/rtld.c in the GNU C Library (aka glibc or libc6) before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LD_POINTER"}