SB20260513104 - SUSE update for dnsmasq
Published: May 13, 2026
Security Bulletin ID
SB20260513104
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2026-2291)
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to out-of-bounds write in struct bigname when processing DNS queries or DNS responses containing large domain names. A remote attacker can send a specially crafted DNS query or response to cause a denial of service.
Remediation
Install update from vendor's website.