CVEvulnerability
CVE-2021-44732
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-12-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-415
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.
Affected configurations
• arm mbed tls (< 2.16.12)
• arm mbed tls (>= 2.17.0 < 2.28.0)
• trustedfirmware mbed tls 3.0.0
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-415 Double Free weakness
References
- https://bugs.gentoo.org/829660 Issue Tracking, Mailing List, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases Release Notes
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12 Release Notes
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0 Release Notes
- https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0 Release Notes
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html Mailing List, Third Party Advisory
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12 Exploit, Mitigation, Third Party Advisory
- https://bugs.gentoo.org/829660 Issue Tracking, Mailing List, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases Release Notes
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12 Release Notes
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0 Release Notes
- https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0 Release Notes
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/06/msg00034.html lists.debian.org
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12 Exploit, Mitigation, Third Party Advisory