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CVE-2021-44732

CRITICAL
9.8
CVSS Severity Score
EPSS Score0.0740%
EPSS Percentile26.09th
Published2021年12月20日
Last Modified2026年6月5日

Vulnerability 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 Platforms (CPE)

📦
Arm

Mbed Tls

< 2.16.12
📦
Arm

Mbed Tls

>= 2.17.0 and < 2.28.0
📦
Trustedfirmware

Mbed Tls

= 3.0.0
📦
Trustedfirmware

Mbed Tls

= 3.0.0
💻
Debian

Debian Linux

= 10.0

References & Advisories

🔗 https://bugs.gentoo.org/829660
🔗 https://github.com/ARMmbed/mbedtls/releases
🔗 https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12
🔗 https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0
🔗 https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0
🔗 https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html
🔗 https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12
🔗 https://bugs.gentoo.org/829660

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