QID 198448

Date Published: 2021-08-05

QID 198448: Ubuntu Security Notification for GnuTransport Layer Security vulnerabilities (USN-5029-1)

Gnutls incorrectly handled sending certain extensions when being used as a client.

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

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Refer to Ubuntu advisory: USN-5029-1 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 198448

    CVE-2021-20232 | CVE-2021-20231 |
    Software Advisories
    Advisory ID Software Component Link
    USN-5029-1 Ubuntu Linux URL Logo usn.ubuntu.com/5029-1
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