SB2026011520 - Ubuntu update for klibc



SB2026011520 - Ubuntu update for klibc

Published: January 15, 2026

Security Bulletin ID SB2026011520
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Denial of service (CVE-ID: CVE-2016-9843)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in zlib due to big-endian out-of-bounds pointer. A remote attacker can send a specially crafted document, trick the victim into opening it, and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.


Remediation

Install update from vendor's website.