{"id":"JLSEC-2025-211","summary":"An issue was discovered in Mbed TLS before 2.24.0 (and before 2.16.8 LTS and before 2.7.17 LTS)","details":"An issue was discovered in Mbed TLS before 2.24.0 (and before 2.16.8 LTS and before 2.7.17 LTS). There is missing zeroization of plaintext buffers in `mbedtls_ssl_read` to erase unused application data from memory.","modified":"2026-07-25T18:23:56.838204324Z","published":"2025-11-21T15:59:04.054Z","upstream":["CVE-2020-36476"],"database_specific":{"license":"CC-BY-4.0","sources":[{"html_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36476","database_specific":{"status":"Modified"},"id":"CVE-2020-36476","imported":"2026-07-17T20:45:30.793Z","modified":"2026-06-17T03:15:34.427Z","published":"2021-08-23T02:15:06.987Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-36476"}]},"references":[{"type":"WEB","url":"https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8"},{"type":"WEB","url":"https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0"},{"type":"WEB","url":"https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"}],"affected":[{"package":{"name":"MbedTLS_jll","ecosystem":"Julia","purl":"pkg:julia/MbedTLS_jll?uuid=c8ffd9c3-330d-5841-b78e-0817d7145fa1"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.16.8+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2025/JLSEC-2025-211.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V2","score":"AV:N/AC:L/Au:N/C:N/I:P/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}