{"action":"Upgrade mongo-c-driver to 1.23.1-1+deb12u3 or later.","affected":[{"fixed":"1.23.1-1+deb12u3","introduced":"0"}],"component":"mongo-c-driver","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.23.1-1+deb12u3"],"id":"tcs_01M5NTNSWDQ58DD799X8A2ZFTJ","modified_at":"2026-10-01T03:03:32.006950709Z","published_at":"2026-05-06T16:16:11.483Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-6691","https://security-tracker.debian.org/tracker/CVE-2026-6691"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-6691","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-6691"}],"summary":"The MongoDB C Driver's Cyrus SASL integration performs unsafe string copying during username canonicalization, enabling a heap buffer overflow before any authentication or network traffic. This may be"}