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[UPDATE] [medium] Red Hat Enterprise Linux (python-idna): Vulnerability allows denial of service

mediumCVE-2024-3651
A remote, authenticated attacker can exploit a vulnerability in Red Hat Enterprise Linux to conduct a denial of service attack.

CSIRTS triage

vendor: Red Hatproduct: Red Hat Enterprise Linux (python-idna)Denial of service
What
A vulnerability allows remote, authenticated attackers to conduct denial of service attacks.
Who is affected
Authenticated users of Red Hat Enterprise Linux with python-idna.
Urgency
Remediation is medium due to the potential for denial of service.
Action
Update to the latest version of python-idna.

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
2026-07-13
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-2024-1269

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-2024-3651coverage & 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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