PT-2025-48518 · Julia · Mbedtls Jll

Published 2025-11-21 · Updated 2025-11-21

OSV

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.

Related Identifiers

JLSEC-2025-220

Affected Products

Mbedtls Jll

References · 6

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BR7ZCVKLPGCOEEALUHZMFHXQHR6S4QL · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XMKJ5IMJEPXYAHHU56Z4P2FSYIEAESB · Vendor Advisory
• https://osv.dev/vulnerability/JLSEC-2025-220 · Vendor Advisory
• https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.3.0 · Note
• https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.2 · Note
• https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories · Note