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Notes","advisory","web","report"]},{"url":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12","tags":["x_transferred","Exploit","Mitigation","Third Party Advisory","evidence","web","advisory","report"]},{"url":"https://bugs.gentoo.org/829660","tags":["x_transferred","Issue Tracking","Mailing List","Third Party Advisory","report","web"]},{"url":"https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12","tags":["x_transferred","Release Notes","advisory","web","report"]},{"url":"https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0","tags":["x_transferred","Release Notes","advisory","web","report"]},{"url":"https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0","tags":["x_transferred","Release Notes","advisory","web","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html","tags":["mailing-list","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/06/msg00034.html","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44732"},{"url":"https://github.com/advisories/GHSA-7g56-f7p4-fmcq"},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-44732","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-44732","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2022-0017.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=29866","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-44732","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-44732","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8123-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-23775","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-27810","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-47917","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-48965","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-52496","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-52497","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-44732","description":"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.","status":"published","published":"2021-12-20T00:00:00Z","modified":"2025-11-03T19:26:32.887Z","updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2021-31547","description":"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.","status":"published","published":"2021-12-20T00:00:00Z","modified":"2025-11-03T19:26:32Z","updated_at":"2026-11-02T19:49:34.152725Z"}],"ghsa":[{"id":"GHSA-7g56-f7p4-fmcq","title":"Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by...","description":"Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by an mbedtls_ssl_set_session() 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by an mbedtls_ssl_set_session() failure. (CVE-2021-44732)\n","status":"published","published":"2022-01-15T08:09:56Z","modified":"2026-04-16T04:40:34.17407298Z","updated_at":"2026-11-02T15:49:41.849028Z"},{"id":"USN-8123-1","title":"mbedtls vulnerabilities","description":"It was discovered that Mbed TLS incorrectly handled memory allocation\nfailures. A remote attacker could possibly use this issue to crash\nthe program. This issue only affected Ubuntu 18.04 LTS and Ubuntu\n20.04 LTS. (CVE-2021-44732)\n\nJonathan Winzig discovered that Mbed TLS incorrectly handled crafted\ninputs. A remote attacker could possibly use this issue to crash the\nprogram, resulting in a denial of service. This issue only affected\nUbuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS. (CVE-2024-23775)\n\nIt was discovered that Mbed TLS incorrectly handled the TLS\nhandshake. A remote attacker could possibly use this issue to\nbreak the security guarantees of the TLS handshake.\n(CVE-2025-27810)\n\nLinh Le and Ngan Nguyen discovered that Mbed TLS incorrectly\ndocumented the behavior of a function. Application code relying\non the documented behavior might be affected. A remote attacker\ncould possibly use this issue to execute arbitrary code.\n(CVE-2025-47917)\n\nLinh Le and Ngan Nguyen discovered that Mbed TLS incorrectly handled\ncrafted input. A remote attacker could possibly use this issue to\ncrash the program, resulting in a denial of service. (CVE-2025-48965)\n\nIt was discovered that Mbed TLS incorrectly handled a race condition.\nAn attacker could possibly use this issue to extract AES keys.\n(CVE-2025-52496)\n\nLinh Le and Ngan Nguyen discovered that Mbed TLS incorrectly handled\ncertain invalid input. A remote attacker could possibly use this\nissue to crash the program, resulting in a denial of service.\n(CVE-2025-52497)","status":"published","published":"2026-03-25T16:22:11Z","modified":"2026-04-27T18:44:30.29713Z","updated_at":"2026-11-02T16:58:22.951676Z"}]}}