Advisory severityHigh7.5Red Hat Linux

High [CVE-2026-53659] Denial of Service via unbounded gzip decompression

This high-severity Red Hat Linux advisory covers CVE-2026-53659.

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

CVE-2026-53659 Source published Sep 14, 2026Source updated Sep 14, 2026

VulniPulse record published Sep 16, 2026Record updated Sep 22, 2026

CVE-2026-53659

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Summary

Denial of Service via unbounded gzip decompression. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-409.

Affected versions

< 4.51.0.0
< 5.42.0.0
< 6.49.0.0

Official advisory · high-confidence parse· fetched 15 days ago·verify at source

Fixed versions

4.51.0.0
5.42.0.0
6.49.0.0

Official advisory · high-confidence parse· fetched 15 days ago·verify at source

Mitigation

Upgrade to a fixed release: 4.51.0.0, 5.42.0.0, 6.49.0.0. 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 15 days ago·verify at source

Discussion(0)

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