{"id":"JLSEC-2025-210","summary":"An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS)","details":"An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). The calculations performed by mbedtls_mpi_exp_mod are not limited; thus, supplying overly large parameters could lead to denial of service when generating Diffie-Hellman key pairs.","modified":"2025-11-21T16:20:56.253745Z","published":"2025-11-21T15:59:04.054Z","upstream":["CVE-2020-36475"],"database_specific":{"license":"CC-BY-4.0","sources":[{"id":"CVE-2020-36475","modified":"2024-11-21T05:29:37.603Z","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36475","published":"2021-08-23T02:15:06.930Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-36475","imported":"2025-11-20T23:04:00.323Z"}]},"references":[{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-756638.pdf"},{"type":"WEB","url":"https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.9"},{"type":"WEB","url":"https://github.com/ARMmbed/mbedtls/releases/tag/v2.25.0"},{"type":"WEB","url":"https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.18"},{"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":"2.25.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2025/JLSEC-2025-210.json"}}],"schema_version":"1.7.3"}