All vulnerabilities

Servers and applications

CVE-2022-3996

If an X.509 certificate contains a malformed policy constraint and policy processing is enabled, then a write lock will be taken twice recursively. On some operating systems (most widely: Windows) this results in a denial of service when the affected process hangs. Policy processing being enabled on a publicly facing server is not considered to be a common setup. Policy processing is enabled by…

Severity
High 7.5
Published
13 Dec 2022
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSLServers and applications · cpe:a:openssl:openssl
  • From 3.0.0 up to 3.0.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-3996
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-3996