{"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_01M5NP09V5KPRP1VZ6FN5GZBAE","modified_at":"2026-09-01T20:05:53.640033279Z","published_at":"2025-07-04T15:15:22.787Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-52497","https://security-tracker.debian.org/tracker/CVE-2025-52497"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-52497#Debian:14/mbedtls","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-52497"}],"summary":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input."}