Which CVEs affect mbedTLS 4.1.0?
No note: the vendor names the CVE in its own advisory for this version (19 of 19).
| CVE | Severity | CVSS | Fixed from | Note |
|---|---|---|---|---|
| CVE-2024-45157 | medium | 5.1 | not stated | |
| CVE-2025-66442 | medium | 5.1 | not stated | |
| CVE-2026-25832 | low | 3.7 | not stated | |
| CVE-2026-73064 | low | 2.9 | not stated | |
| CVE-2026-49300 | not rated | not rated | not stated | |
| CVE-2026-50579 | not rated | not rated | not stated | |
| CVE-2026-50580 | not rated | not rated | not stated | |
| CVE-2026-50581 | not rated | not rated | not stated | |
| CVE-2026-50583 | not rated | not rated | not stated | |
| CVE-2026-50584 | not rated | not rated | not stated | |
| CVE-2026-50585 | not rated | not rated | not stated | |
| CVE-2026-50586 | not rated | not rated | not stated | |
| CVE-2026-50587 | not rated | not rated | not stated | |
| CVE-2026-50588 | not rated | not rated | not stated | |
| CVE-2026-50640 | not rated | not rated | not stated | |
| CVE-2026-54434 | not rated | not rated | not stated | |
| CVE-2026-54435 | not rated | not rated | not stated | |
| CVE-2026-54441 | not rated | not rated | not stated | |
| CVE-2026-73096 | not rated | not rated | not stated |
What changed against mbedTLS 4.0.0?
6 CVEs of 4.0.0 are no longer listed for 4.1.0: CVE-2026-25833, CVE-2026-25834, CVE-2026-25835, CVE-2026-34873, CVE-2026-34874, CVE-2026-34877.
1 CVE is newly listed for 4.1.0: CVE-2026-54434.
What does the number mean for a device?
Counted are the CVEs public sources name for mbedTLS version 4.1.0 (NVD, Vendor advisories). "Confirmed by the vendor" means the CVE record or advisory comes from the vendor itself and names this version as affected. Third-party records are counted but not marked as confirmed.
Whether a CVE is exploitable in a given device depends on which functions of the library the build contains and how they are configured. The list shows what is known for the version.
Questions
How many CVEs does mbedTLS 4.1.0 have?
As of 13 Nov 2026, 19 CVEs are known for mbedTLS 4.1.0, 0 critical and 0 high. The vendor names 19 in its own advisory for exactly this version.
From which version are the CVEs of mbedTLS 4.1.0 fixed?
No newer listed version is free of all 19 CVEs. The "Fixed from" column names the fix version per CVE for this release line where a source states one.
Sources
- [1]NVD