CVE-2026-5950 Affecting bind-utils package, versions <9.20.23-150700.3.25.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.55% (42nd percentile)

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  • Snyk IDSNYK-SLES157-BINDUTILS-17706358
  • published30 Jun 2026
  • disclosed2 Jul 2026

Introduced: 30 Jun 2026

NewCVE-2026-5950  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 bind-utils to version 9.20.23-150700.3.25.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bind-utils package and not the bind-utils package as distributed by SLES. See How to fix? for SLES:15.7 relevant fixed versions and status.

An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions. This issue affects BIND 9 versions 9.18.36 through 9.18.48, 9.20.8 through 9.20.22, 9.21.7 through 9.21.21, 9.18.36-S1 through 9.18.48-S1, and 9.20.9-S1 through 9.20.22-S1.

CVSS Base Scores

version 3.1