CVE-2026-34877
critical · 9.8An issue was discovered in Mbed TLS versions from 2.19.0 up to 3.6.5, Mbed TLS 4.0.0. Insufficient protection of serialized SSL context or session structures allows an attacker who can modify the serialized structures to induce memory corruption, leading to arbitrary code execution. This is caused by Incorrect Use of Privileged APIs.
9.8
CVSS
0.4%
EPSS (exploit prob.)
37th
EPSS percentile
2026-04-02
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-250CWE-502
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| arm | mbed_tls | >= 2.19.0, < 3.6.6 |
| trustedfirmware | mbed_tls | 4.0.0 |
Check a specific version with /api/v1/cve/match.
References
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-34877