{"action":"Upgrade gcc-12 to 12.2.0-14+deb12u1 or later.","affected":[{"fixed":"12.2.0-14+deb12u1","introduced":"0"}],"component":"gcc-12","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["12.2.0-14+deb12u1"],"id":"tcs_01M5NJ7Y45MMHC1JJXM26HCZ1E","modified_at":"2026-10-15T10:00:54.063053864Z","published_at":"2023-09-13T09:15:15.690Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-4039","https://security-tracker.debian.org/tracker/CVE-2023-4039"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-4039#Debian:12/gcc-12","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-4039"}],"summary":"**DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker to exploit an existing buffer overflow in dynamically-sized local variables in you"}