Advisory severityMedium5.3Red Hat Linux

Medium [CVE-2026-8674] glibc DNS stub resolver: Denial of Service via long search domain in configuration

This medium-severity Red Hat Linux advisory covers CVE-2026-8674; related products: Red Hat Hardened Images, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-8674 Source published Sep 17, 2026Source updated Sep 17, 2026

VulniPulse record published Sep 18, 2026Record updated Sep 25, 2026

CVE-2026-8674

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Summary

glibc DNS stub resolver: Denial of Service via long search domain in configuration. Red Hat rates this moderate (CVSS 5.3).

Weakness: CWE-1025. Red Hat lists fixing advisory RHSA-2026:69276 with package glibc-main-2.43-8.6.hum1.

Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more.

Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: glibc.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Fixed versions

glibc-main-2.43-8.6.hum1
RHSA-2026:69276

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Mitigation

Upgrade to a fixed release: glibc-main-2.43-8.6.hum1, RHSA-2026:69276. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Discussion(0)

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