{"action":"Upgrade mbedtls to 3.6.4-r0 or later.","affected":[{"fixed":"3.6.4-r0","introduced":"0"}],"component":"mbedtls","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.21","exploited":false,"fixed_versions":["3.6.4-r0"],"id":"tcs_01M5NFDJDMKXNT7NWWM0KB799T","modified_at":"2026-08-27T22:18:02.990426770Z","published_at":"2025-07-04T15:15:22.787Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2025-52497","https://security.alpinelinux.org/vuln/CVE-2025-52497"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2025-52497#Alpine:v3.21/mbedtls","url":"https://osv.dev/vulnerability/ALPINE-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."}