USN-7367-1: zvbi vulnerabilities

USN-7367-1: zvbi vulnerabilities
24 March 2025

zvbi could be made to crash or run programs if it received specially crafted input.

Releases

• Ubuntu 24.10
• Ubuntu 24.04 LTS
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages
zvbi - Vertical Blanking Interval (VBI) utilities

Details
It was discovered that zvbi incorrectly handled memory when processing user
input. An attacker could possibly use this issue to cause a denial of
service or execute arbitrary code.

Update instructions
The problem can be corrected by updating your system to the following package versions:

Ubuntu 24.10

• libzvbi0t64 - 0.2.42-2ubuntu0.24.10.2
• zvbi - 0.2.42-2ubuntu0.24.10.2
  Ubuntu 24.04
• libzvbi0t64 - 0.2.42-2ubuntu0.24.04.1~esm1
• zvbi - 0.2.42-2ubuntu0.24.04.1~esm1
  Ubuntu 22.04
• libzvbi0 - 0.2.35-19ubuntu0.1~esm1
• zvbi - 0.2.35-19ubuntu0.1~esm1
  Ubuntu 20.04
• libzvbi0 - 0.2.35-17ubuntu0.1~esm1
• zvbi - 0.2.35-17ubuntu0.1~esm1
  Ubuntu 18.04
• libzvbi0 - 0.2.35-13ubuntu0.1~esm1
• zvbi - 0.2.35-13ubuntu0.1~esm1
  Ubuntu 16.04
• libzvbi0 - 0.2.35-10ubuntu0.1~esm1
• zvbi - 0.2.35-10ubuntu0.1~esm1
  In general, a standard system update will make all the necessary changes.