CVE-2026-25832
mbedtls: In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unad...
CVE-2026-25832 is fixed in mbedtls on 1 platform, first by DEBIAN-CVE-2026-25832, released July 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
3.7
low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0028
20th percentile
In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| mbedtls · Debian 14 | 3.6.7-2 | DEBIAN-CVE-2026-25832 | Jul 24, 2026 |
| mbedtls · opensuse-leap 16.0 | 3.6.7-bp160.1.1 | OPENSUSE-SU-2026:21865-1 | Sep 16, 2026 |
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