All vulnerabilities

Servers and applications

CVE-2023-0401

A NULL pointer can be dereferenced when signatures are being verified on PKCS7 signed or signedAndEnveloped data. In case the hash algorithm used for the signature is known to the OpenSSL library but the implementation of the hash algorithm is not available the digest initialization will fail. There is a missing check for the return value from the initialization function which later leads to…

Severity
High 7.5
Published
8 Feb 2023
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-2023-0401
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-0401