All Vulnerability Reports

USN-4966-2: libx11 vulnerability




VMware Tanzu

Versions Affected

  • Canonical Ubuntu 14.04
  • Canonical Ubuntu 16.04


USN-4966-1 fixed a vulnerability in libx11. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that libx11 incorrectly validated certain parameter lengths. A remote attacker could possibly use this issue to trick libx11 into emitting extra X protocol requests.

CVEs contained in this USN include: CVE-2021-31535

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

Vulnerable Cloud Foundry components individually listed here.

  • Tanzu Greenplum for Kubernetes
    • All versions prior to 2.0.0
  • Operations Manager
    • 2.7.x versions prior to 2.7.25
    • 2.8.x versions prior to 2.8.16
    • 2.9.x versions prior to 2.9.12
    • 2.10.x versions prior to 2.10.3


Users of affected products are strongly encouraged to follow the mitigation below. On the Tanzu Network product page for each release, check the Depends On section and/or Release Notes for this information. Releases that have fixed this issue include:

  • Tanzu Greenplum for Kubernetes
    • 2.0.0
  • Operations Manager
    • 2.7.25
    • 2.8.16
    • 2.9.12
    • 2.10.3



2021-06-15: Initial vulnerability report published.