CVE-2025-59438
5.3
MEDIUM
CVSS 3.1
EPSS 0.04%
Description
Mbed TLS through 3.6.4 has an Observable Timing Discrepancy.
How to fix CVE-2025-59438
To remediate CVE-2025-59438, upgrade the affected package to a fixed version below.
- Alpine/mbedtls—upgrade to 3.6.5-r0 or later
- Debian/mbedtls—upgrade to 2.16.9-0.1+deb11u4 or later
Is CVE-2025-59438 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.6.5-r0
- from 0, < 2.16.9-0.1+deb11u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |