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OpenAdvisories
Medium USN-6632-1 2 CVEs

openssl vulnerabilities

Published Feb 13, 2024 · Updated Jun 25, 2026

Summary

David Benjamin discovered that OpenSSL incorrectly handled excessively long
X9.42 DH keys. A remote attacker could possibly use this issue to cause
OpenSSL to consume resources, leading to a denial of service.
(CVE-2023-5678)

Bahaa Naamneh discovered that OpenSSL incorrectly handled certain malformed
PKCS12 files. A remote attacker could possibly use this issue to cause
OpenSSL to crash, resulting in a denial of service. (CVE-2024-0727)

Fixed packages 2

ReleasePackageFixed in
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS openssl 1.0.2g-1ubuntu4.20+esm11
Ubuntu · Pro 18.04 LTS Pro:18.04:LTS openssl 1.1.1-1ubuntu2.1~18.04.23+esm4

Vulnerabilities 2

  • Medium 5.5

    PKCS12 Decoding crashes

    Issue summary: Processing a maliciously formatted PKCS12 file may lead OpenSSL to crash leading to a potential Denial of Service attack Impact summary: Applications loading files in the PKCS12 format from untrusted sources might terminate abruptly. A file in …

  • Medium 5.3

    Excessive time spent in DH check / generation with large Q parameter value

    Issue summary: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or parameters may be very slow. Impact summary: Applications that use the functions DH_generate_key() to generate an X9.42 DH key may experience long delays. L…

References

  • report
    https://ubuntu.com/security/CVE-2023-5678
  • report
    https://ubuntu.com/security/CVE-2024-0727