Skip to content
OpenAdvisories
High USN-5845-1 2 CVEs

openssl1.0 vulnerabilities

Published Feb 7, 2023 · Updated Apr 27, 2026

Summary

David Benjamin discovered that OpenSSL incorrectly handled X.400 address
processing. A remote attacker could possibly use this issue to read
arbitrary memory contents or cause OpenSSL to crash, resulting in a denial
of service. (CVE-2023-0286)

Octavio Galland and Marcel Böhme discovered that OpenSSL incorrectly
handled streaming ASN.1 data. A remote attacker could use this issue to
cause OpenSSL to crash, resulting in a denial of service, or possibly
execute arbitrary code. (CVE-2023-0215)

Fixed packages 1

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS openssl1.0 1.0.2n-1ubuntu5.11

Vulnerabilities 2

  • High 7.5

    Use-after-free following BIO_new_NDEF

    The public API function BIO_new_NDEF is a helper function used for streaming ASN.1 data via a BIO. It is primarily used internally to OpenSSL to support the SMIME, CMS and PKCS7 streaming capabilities, but may also be called directly by end user applications.…

  • High 7.4
    CVE-2023-0286 Public exploit EPSS 68%

    X.400 address type confusion in X.509 GeneralName

    There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName. X.400 addresses were parsed as an ASN1_STRING but the public structure definition for GENERAL_NAME incorrectly specified the type of the x400Address fiel…

References

  • report
    https://ubuntu.com/security/CVE-2023-0215
  • report
    https://ubuntu.com/security/CVE-2023-0286