{"action":"Upgrade tcc to 0.9.27+git20200814.62c30a4a-1 or later.","affected":[{"fixed":"0.9.27+git20200814.62c30a4a-1","introduced":"0"}],"component":"tcc","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["0.9.27+git20200814.62c30a4a-1"],"id":"tcs_01M5NEDCFMEBCSD7KFDRA7FG2E","modified_at":"2026-09-21T07:03:26.557485603Z","published_at":"2019-03-13T22:29:00.693Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-9754","https://security-tracker.debian.org/tracker/CVE-2019-9754"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-9754#Debian:13/tcc","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-9754"}],"summary":"An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to an 1 byte out of bounds write in the end_macro function in tccpp.c."}