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. https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.2 https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.3.0 https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/
Created mbedtls tracking bugs for this issue: Affects: epel-all [bug 2155398] Affects: fedora-all [bug 2155397]
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.