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[NEW] [medium] Red Hat Enterprise Linux (389-ds-base): Multiple vulnerabilities

mediumCVE-2026-11770CVE-2026-11788CVE-2026-15722
A remote, anonymous attacker can exploit multiple vulnerabilities in Red Hat Enterprise Linux to disclose information and cause a denial-of-service condition.

CSIRTS triage

What
Multiple vulnerabilities in Red Hat Enterprise Linux 389-ds-base enable information disclosure and denial-of-service attacks.
Who is affected
Red Hat Enterprise Linux systems running 389-ds-base directory server are affected.
Urgency
Medium severity; DoS and information disclosure can impact authentication infrastructure.
Action
Apply security updates for CVE-2026-11770, CVE-2026-11788, and CVE-2026-15722.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
medium
Published
2026-08-17
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2854

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-11770coverage & exploitation statusNVD · CVE.org
CVE-2026-11788coverage & exploitation statusNVD · CVE.org
CVE-2026-15722coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Red Hat Enterprise

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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