{"action":"Upgrade mbedtls to 3.6.4-1 or later.","affected":[{"fixed":"3.6.4-1","introduced":"0"}],"component":"mbedtls","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.6.4-1"],"id":"tcs_01M5NP09G4PD0YQQ6EKSSTWSZR","modified_at":"2026-09-01T20:05:53.692941667Z","published_at":"2025-07-04T15:15:22.633Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-52496","https://security-tracker.debian.org/tracker/CVE-2025-52496"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-52496#Debian:14/mbedtls","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-52496"}],"summary":"Mbed TLS before 3.6.4 has a race condition in AESNI detection if certain compiler optimizations occur. An attacker may be able to extract an AES key from a multithreaded program, or perform a GCM forg"}