Not Failing Securely ('Failing Open') Affecting busybox-static package, versions <1.35.0-150400.3.23.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.24% (14th percentile)

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  • Snyk IDSNYK-SLES154-BUSYBOXSTATIC-21428426
  • published22 Oct 2026
  • disclosed21 Oct 2026

Introduced: 21 Oct 2026

NewCVE-2026-88831  (opens in a new tab)
CWE-636  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 busybox-static to version 1.35.0-150400.3.23.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream busybox-static package and not the busybox-static package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

BusyBox httpd IP deny rules with invalid CIDR prefix lengths fail open, leaving a parsed IP with a zeroed mask so the rule matches no clients.

CVSS Base Scores

version 3.1