All vulnerabilities

Servers and applications

CVE-2022-4203

A read buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certificate or for the application to continue certificate verification despite failure to construct a path to a trusted issuer. The read buffer overrun might…

Severity
Medium 4.9
Published
24 Feb 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
3.0.8
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSLServers and applications · cpe:a:openssl:openssl
  • From 3.0.0 before 3.0.8

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-4203
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-4203