Double Free in Arm Mbed_tls
CVE-2021-44732
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.
Vulnerability class: Double Free
EPSS: 0.010 (76.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Arm Mbed_tls
- Trustedfirmware Mbed_tls — versions 3.0.0
- Debian Debian_linux — versions 10.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Release Notes)
- cve@mitre.org (Exploit, Third Party Advisory, Mitigation)
- cve@mitre.org (Mailing List, Third Party Advisory, Issue Tracking)
- cve@mitre.org (Release Notes)
- cve@mitre.org (Release Notes)
- cve@mitre.org (Release Notes)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2021-44732?
- CVE-2021-44732 is a critical-severity vulnerability in Arm Mbed_tls, classified under Double Free. CVSS score: 9.8/10. Published 2021-12-20.
- How severe is CVE-2021-44732?
- Critical severity. CVSS v3 base score is 9.8 out of 10.