{"id":"JLSEC-2025-209","summary":"An issue was discovered in Arm Mbed TLS before 2.24.0","details":"An issue was discovered in Arm Mbed TLS before 2.24.0. `mbedtls_x509_crl_parse_der` has a buffer over-read (of one byte).","modified":"2026-07-23T22:30:18.910376418Z","published":"2025-11-21T15:59:04.054Z","upstream":["CVE-2020-36426"],"database_specific":{"license":"CC-BY-4.0","sources":[{"database_specific":{"status":"Modified"},"id":"CVE-2020-36426","imported":"2026-07-17T20:45:11.110Z","modified":"2026-06-17T03:15:27.963Z","published":"2021-07-19T17:15:11.367Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-36426","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36426"}]},"references":[{"type":"WEB","url":"https://bugs.gentoo.org/740108"},{"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/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-2025-209.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V2","score":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}