All vulnerabilities

Servers and applications

CVE-2023-0217

An invalid pointer dereference on read can be triggered when an application tries to check a malformed DSA public key by the EVP_PKEY_public_check() function. This will most likely lead to an application crash. This function can be called on public keys supplied from untrusted sources which could allow an attacker to cause a denial of service attack. The TLS implementation in OpenSSL does not…

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-2023-0217
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-0217