PT-2025-48501 · Julia · Mbedtls Jll

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

OSV

In Trusted Firmware Mbed TLS 2.24.0, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.

Exploit

Related Identifiers

JLSEC-2025-203

Affected Products

Mbedtls Jll

References · 8

• 🔥 https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md · Exploit
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DRRVY7DMTX3ECFNZKDYTSFEG5AI2HBC6 · Vendor Advisory
• https://osv.dev/vulnerability/JLSEC-2025-203 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYJW7HAW3TDV2YMDFYXP3HD6WRQRTLJW · Vendor Advisory
• https://github.com/ARMmbed/mbedtls/releases · Note
• https://lists.debian.org/debian-lts-announce/2025/06/msg00034.html · Note
• https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html · Note
• https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html · Note