CVE-2026-88831

Description

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.

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Produits concernés

• Red Hat Hardened Images

Scores CVSS

Faiblesses (CWE)

• CWE-636

Références

• https://access.redhat.com/errata/RHSA-2026:72111
• https://access.redhat.com/security/cve/CVE-2026-88831
• https://bugzilla.redhat.com/show_bug.cgi?id=2531346

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories