CVE-2026-34874: An issue was discovered in Mbed TLS through 3.6.5 and 4.x through 4.0.0. There is a NULL pointer dereference in distinguished name parsing that allows an attacker to write to address 0.
Overview
- Severity
- High (CVSS 7.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Apr
- Released
- 2026-05-07
- Last Updated
- 2026-06-02
- EPSS Score
- 0.28% (percentile: 19.5%)
Affected Products (2)
Open Source Software
- azl3 nodejs24 24.14.1-2 on Azure Linux 3.0
Other
Revision History
- 2026-05-07: Information published.
- 2026-05-19: Information published.
- 2026-05-31: Information published.
- 2026-06-01: Information published.
- 2026-06-02: Information published.