QID 198469

Date Published: 2021-08-31

QID 198469: Ubuntu Security Notification for Open Secure Sockets Layer (OpenSSL) Vulnerabilities (USN-5051-1)

Openssl incorrectly handled decrypting sm2 data.
Openssl incorrectly handled certain asn.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

a remote attacker could use this issue to cause applications using openssl to crash, resulting in a denial of service, or possibly change application behaviour. (
Cve-2021-3711).1 strings.
A remote attacker could use this issue to cause openssl to crash, resulting in a denial of service, or possibly obtain sensitive information.
(cve-2021-3712).

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Refer to Ubuntu advisory: USN-5051-1 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 198469

    CVE-2021-3712 | CVE-2021-3711 |
    Software Advisories
    Advisory ID Software Component Link
    USN-5051-1 Ubuntu Linux URL Logo usn.ubuntu.com/5051-1
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