{"id":"CVE-2021-44732","details":"Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by an mbedtls_ssl_set_session() failure.","modified":"2026-02-24T11:41:57.502350Z","published":"2021-12-20T08:15:06.620Z","related":["MGASA-2022-0017"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/06/msg00034.html"},{"type":"ADVISORY","url":"https://bugs.gentoo.org/829660"},{"type":"ADVISORY","url":"https://github.com/ARMmbed/mbedtls/releases"},{"type":"ADVISORY","url":"https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12"},{"type":"ADVISORY","url":"https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0"},{"type":"ADVISORY","url":"https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"},{"type":"ADVISORY","url":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12"},{"type":"REPORT","url":"https://bugs.gentoo.org/829660"},{"type":"ARTICLE","url":"https://bugs.gentoo.org/829660"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"},{"type":"EVIDENCE","url":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/armmbed/mbedtls","events":[{"introduced":"0"},{"fixed":"cf4667126010c665341f9e50ef691b7ef8294188"},{"introduced":"3f8d78411a26e833db18d9fbde0e2f0baeda87f0"},{"fixed":"8b3f26a5ac38d4fdccbc5c5366229f3e01dafcc0"}]}],"versions":["mbedtls-2.17.0","mbedtls-2.18.0","mbedtls-2.19.0","mbedtls-2.19.0d1","mbedtls-2.19.0d2","mbedtls-2.19.1","mbedtls-2.20.0","mbedtls-2.20.0d0","mbedtls-2.20.0d1","mbedtls-2.21.0","mbedtls-2.22.0","mbedtls-2.22.0d0","mbedtls-2.23.0","mbedtls-2.24.0","mbedtls-2.25.0","mbedtls-2.26.0","mbedtls-2.27.0","v2.23.0","v2.24.0","v2.25.0","v2.26.0","v2.27.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-44732.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}