CVE-2026-63073
Description
Issue summary: OpenSSL CMP response validation passed an unexpected response sender distinguished name directly as the format string to `ERR_raise_data()`. Impact summary: A malicious or intercepted CMP endpoint can crash a CMP client that enforces an expected sender or uses a pinned server certificate whose subject becomes the default expected sender. CWE: CWE-134 (Use of Externally-Controlled…
Description from NVD (National Vulnerability Database).
- Product
- OpenSSL
- Severity
- CVSS 9.8 · CRITICAL
- Published
- Source
- NVD (National Vulnerability Database) · View on NVD
Severity is the CVSS score; the real impact depends on the version and configuration you run. Always check affected versions and fixes in the original advisory.