QID 198386

Date Published: 2021-06-01

QID 198386: Ubuntu Security Notification for nginx vulnerability (USN-4967-1)

Nginx incorrectly handled responses to the dns resolver.

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 nginx to crash, resulting in a denial of service, or possibly execute arbitrary code..

  • CVSS V3 rated as Medium - 4.2 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Refer to Ubuntu advisory: USN-4967-1 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 198386

    CVE-2021-23017 |
    Software Advisories
    Advisory ID Software Component Link
    USN-4967-1 Ubuntu Linux URL Logo usn.ubuntu.com/4967-1
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