CVE-2025-12888
No fix known EPSS <1%CVSS 1.0
Vulnerability in X25519 constant-time cryptographic implementations due to timing side channels introduced by compiler optimizations and CPU architecture limitations, specifically with the Xtensa-based ESP32 chips. If targeting Xtensa it is recommended to use the low memory implementations of X25519, which is now turned on as the default for Xtensa.
Products: wolfssl
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | wolfssl | no fix |
| Debian 13 | wolfssl | no fix |
| Ubuntu 16.04 LTS | wolfssl | no fix |
| Ubuntu 18.04 LTS | wolfssl | no fix |
| Ubuntu 20.04 LTS | wolfssl | no fix |
| Ubuntu 22.04 LTS | wolfssl | no fix |
| Ubuntu 24.04 LTS | wolfssl | no fix |
| Ubuntu 25.10 | wolfssl | no fix |
| Ubuntu 26.04 LTS | wolfssl | no fix |
| Ubuntu 26.10 | wolfssl | no fix |