CVE-2009-5111

NONECVSS 0.0

0.0

GoAhead WebServer allows remote attackers to cause a denial of service (daemon outage) via partial HTTP requests, as demonstrated by Slowloris.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 63.4%
KEV: Not listed

Published

December 27, 2011

Last Modified

April 29, 2026

References (2)

cve@mitrehttp://ha.ckers.org/slowloris/
af854a3a-2127-422b-91ae-364da2661108http://ha.ckers.org/slowloris/

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:13 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:44 UTCEPSS rescore
2026-06-06 13:44 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:07 UTCEPSS rescore
2026-06-05 06:07 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-31 00:13 UTCEPSS rescore
2026-05-29 13:40 UTCEPSS rescore

Frequently asked(4)

What is CVE-2009-5111?

CVE-2009-5111 is a none vulnerability published on December 27, 2011. GoAhead WebServer allows remote attackers to cause a denial of service (daemon outage) via partial HTTP requests, as demonstrated by Slowloris.

When was CVE-2009-5111 disclosed?

CVE-2009-5111 was first published in the National Vulnerability Database on December 27, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2009-5111 actively exploited?

CVE-2009-5111 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-5111?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-5111, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2009-5111

📅 Published

🔄 Last Modified

🔗 References (2)