Out-of-bounds Read in Arm Mbed_tls
CVE-2022-46393
An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. There is a potential heap-based buffer overflow and heap-based buffer over-read in DTLS if MBEDTLS_SSL_DTLS_CONNECTION_ID is enabled and MBEDTLS_SSL_CID_IN_LEN_MAX > 2…
Vulnerability class: Buffer Overflow
EPSS: 0.009 (76.4th 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
- Fedoraproject Fedora — versions 36, 37
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org (Third Party Advisory, Release Notes)
- cve@mitre.org (Third Party Advisory, Release Notes)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
Frequently asked questions
- What is CVE-2022-46393?
- CVE-2022-46393 is a critical-severity vulnerability in Arm Mbed_tls, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2022-12-15.
- How severe is CVE-2022-46393?
- Critical severity. CVSS v3 base score is 9.8 out of 10.