{"action":"Upgrade yara to 3.8.1-2 or later.","affected":[{"fixed":"3.8.1-2","introduced":"0"}],"component":"yara","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["3.8.1-2"],"id":"tcs_01M5ND9MNX2PTRW32SPF286Q8X","modified_at":"2026-10-23T18:03:47.777988837Z","published_at":"2018-12-17T19:29:01.080Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-19974","https://security-tracker.debian.org/tracker/CVE-2018-19974"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-19974#Debian:13/yara","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-19974"}],"summary":"In YARA 3.8.1, bytecode in a specially crafted compiled rule can read uninitialized data from VM scratch memory in libyara/exec.c. This can allow attackers to discover addresses in the real stack (not"}