{"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:13","exploited":false,"fixed_versions":["3.6.4-1"],"id":"tcs_01M5NNZ2KC99MWE73G9KFCHVZT","modified_at":"2026-09-01T20:05:53.156489002Z","published_at":"2025-07-20T19:15:24.037Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-49087","https://security-tracker.debian.org/tracker/CVE-2025-49087"],"severity":{"label":"low","score":3.7},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-49087","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-49087"}],"summary":"In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS#7 padding mode is used."}