VDB
CVE-2026-34873
CVE-2026-34873
PUBLISHED
An issue was discovered in Mbed TLS 3.5.0 through 4.0.0. Client impersonation can occur while resuming a TLS 1.3 session.
EPSS 0.25% · 16.5th percentile
Risk Scores
EPSS Score
0.25%
16.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | * |
Timeline
- Apr 1, 2026 CVE Published
- Apr 2, 2026 Security Advisory
- Apr 2, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 27, 2026 EPSS Score
- May 28, 2026 EPSS Score
References
- https://advisory.splunk.com/advisories/SVD-2026-0512 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0513 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0509 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0510 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0505 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0515 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0507 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0506 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0508 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0504 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0514 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0516 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0501 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0503 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0511 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0502 advisory
- https://mbed-tls.readthedocs.io/en/latest/security-advisories/ url
- https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-client-impersonation-while-resuming-tls13-session/ url
- https://nvd.nist.gov/vuln/detail/CVE-2026-34873 advisory
- https://mbed-tls.readthedocs.io/en/latest/security-advisories url
…and 1 more