{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"sssd","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NW4SVGCZE00VK062KJS6VE","modified_at":"2026-10-23T17:47:45.603313012Z","published_at":"2026-09-09T17:17:52.827Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-87853","https://security-tracker.debian.org/tracker/CVE-2026-87853"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-87853#Debian:13/sssd","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-87853"}],"summary":"A flaw was found in SSSD's IdP authentication provider. The eval_access_token_buf() function compares the OIDC subject identifier using strncmp() with the authenticated user's identifier length, perfo"}