Vulnerability · Published Dec 15, 2022 · Assigned by mitre
CVE-2022-46393
Critical 9.8
In plain English
A critical-severity out-of-bounds read in the mbedtls package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.3%top 30.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 * MBEDTLS_SSL_CID_OUT_LEN_MAX.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mbedtls | 2.28.2-1 | DEBIAN-CVE-2022-46393 |
| Debian:13 | mbedtls | 2.28.2-1 | DEBIAN-CVE-2022-46393 |
| Debian:14 | mbedtls | 2.28.2-1 | DEBIAN-CVE-2022-46393 |
Affected products (as reported)
Weakness: CWE-125, CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H