JLSEC-2025-220 Critical 9.8
An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0
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.
References
- https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.2
- https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.3.0
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BR7ZCVKLPGCOEEALUHZMFHXQHR6S4QL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XMKJ5IMJEPXYAHHU56Z4P2FSYIEAESB/
- https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/