All vulnerabilities

Servers and applications

CVE-2023-5363

Issue summary: A bug has been identified in the processing of key and initialisation vector (IV) lengths. This can lead to potential truncation or overruns during the initialisation of some symmetric ciphers. Impact summary: A truncation in the IV can result in non-uniqueness, which could result in loss of confidentiality for some cipher modes. When calling EVP_EncryptInit_ex2(),…

Severity
High 7.5
Published
25 Oct 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
3.0.12, 3.1.4
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSLServers and applications · cpe:a:openssl:openssl
  • From 3.0.0 before 3.0.12
  • From 3.1.0 before 3.1.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-5363
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-5363