CVE-2026-34875
mbedtls: An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0
CVE-2026-34875 is fixed in mbedtls on 1 platform, first by DEBIAN-CVE-2026-34875, released April 1, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
9.8
critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0037
31st percentile
An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0. A buffer overflow can occur in public key export for FFDH keys.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| mbedtls · Debian 13.5 (trixie) | 3.6.6-0.1~deb13u1 | DEBIAN-CVE-2026-34875 | Apr 1, 2026 |
| mbedtls · Debian 14 | 3.6.6-0.1 | DEBIAN-CVE-2026-34875 | Apr 1, 2026 |
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