Mbed TLS before 2.28.10 and 3.x before 3.6.3, in some cases of failed memory allocation or hardware errors, uses uninitialized stack memory to compose the TLS Finished message, potentially leading to authentication bypasses such as replays.
CVSS Details
- CVSS 3.1 Base Score: 4.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-mbedtlsalpine-linux-upgrade-mbedtls2alpine-linux-upgrade-mbedtls3 | Aug 8, 2025 | Mar 25, 2025 | |
| Debian | no-fix-debian-deb-package | May 15, 2025 | Mar 25, 2025 | |
| Ubuntu | ubuntu-pro-upgrade-libmbedcrypto1ubuntu-pro-upgrade-libmbedcrypto3ubuntu-pro-upgrade-libmbedcrypto7ubuntu-pro-upgrade-libmbedcrypto7t64ubuntu-pro-upgrade-libmbedtls-devubuntu-pro-upgrade-libmbedtls10ubuntu-pro-upgrade-libmbedtls12ubuntu-pro-upgrade-libmbedtls14ubuntu-pro-upgrade-libmbedtls14t64ubuntu-pro-upgrade-libmbedx509-0ubuntu-pro-upgrade-libmbedx509-1ubuntu-pro-upgrade-libmbedx509-1t64 | Mar 27, 2026 | Mar 25, 2026 |
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