CVE-2026-41292 Affecting unbound package, versions <1.24.1-160000.2.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.83% (56th percentile)

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  • Snyk IDSNYK-SLES1600-UNBOUND-17439779
  • published24 Jun 2026
  • disclosed18 Jun 2026

Introduced: 18 Jun 2026

CVE-2026-41292  (opens in a new tab)

How to fix?

Upgrade SLES:16.0.0 unbound to version 1.24.1-160000.2.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream unbound package and not the unbound package as distributed by SLES. See How to fix? for SLES:16.0.0 relevant fixed versions and status.

NLnet Labs Unbound up to and including version 1.25.0 is vulnerable to a degradation of service attack related to parsing long lists of incoming EDNS options. An adversary sending queries with too many EDNS options can hold Unbound threads hostage while they are parsing and creating internal data structures for the options. Coordinated attacks can result in degradation and/or denial of service. Unbound 1.25.1 contains a patch with a fix to limit acceptable incoming EDNS options (100).

CVSS Base Scores

version 3.1