All vulnerabilities

Servers and applications

CVE-2026-75805

Issue summary: A CMP client that requests certificate revocation on the basis of a PKCS#10 CSR may dereference a NULL pointer and terminate abnormally when processing a crafted revocation response. Impact summary: The NULL pointer dereference happens on a read which leads to a crash and a Denial of Service for the affected client application. CWE: CWE-476: NULL-pointer dereference Description: A…

Severity
Medium 5.3
Published
29 Sept 2026
Last changed
8 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
3.0.23, 3.4.8, 3.5.9, 3.6.5, 4.0.3
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSLServers and applications · cpe:a:openssl:openssl
  • From 3.0.0 before 3.0.23
  • From 3.4.0 before 3.4.8
  • From 3.5.0 before 3.5.9
  • From 3.6.0 before 3.6.5
  • From 4.0.0 before 4.0.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-75805
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-75805