Advisory severityHigh7.5Red Hat Linux

High [CVE-2026-58436] Denial of Service via ParseAcceptLanguage and Locale middleware on unauthenticated requests

This high-severity Red Hat Linux advisory covers CVE-2026-58436.

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

CVE-2026-58436 Source published Aug 13, 2026Source updated Aug 13, 2026

VulniPulse record published Aug 21, 2026Record updated Aug 28, 2026

CVE-2026-58436

Affected products & platforms

Red Hat LinuxUnclassified

Open source advisory

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Summary

ParseAcceptLanguage quadratic-time DoS via Locale middleware on unauthenticated requests A flaw was found in Gitea. This vulnerability allows an attacker to send specially crafted requests, leading to excessive resource consumption and a Denial of Service (DoS) condition, making the service unavailable to legitimate users.

This is an Important denial of service vulnerability in Gitea. An unauthenticated remote attacker can exploit a quadratic-time algorithm in the ParseAcceptLanguage function, leading to excessive resource consumption and service unavailability.

Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-1333.

Red Hat lists OpenShift Pipelines as not affected.

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 14 days ago·verify at source

Fixed versions

1.27.0

Official advisory · high-confidence parse· fetched 14 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Official advisory · high-confidence parse· fetched 14 days ago·verify at source

Discussion(0)

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