CVE-2009-2191

NONECVSS 0.0Trending — 3 sources updated this week

0.0

Format string vulnerability in Login Window in Apple Mac OS X 10.4.11 and 10.5 before 10.5.8 allows attackers to execute arbitrary code or cause a denial of service (application crash) via format string specifiers in an application name.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 75.1%
KEV: Not listed

Published

August 6, 2009

Last Modified

April 23, 2026

References (16)

cve@mitrehttp://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html
cve@mitrehttp://osvdb.org/56840
cve@mitrehttp://secunia.com/advisories/36096
cve@mitrehttp://support.apple.com/kb/HT3757
cve@mitrehttp://www.securityfocus.com/bid/35954
cve@mitrehttp://www.us-cert.gov/cas/techalerts/TA09-218A.html
cve@mitrehttp://www.vupen.com/english/advisories/2009/2172
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/52428
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/56840
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/36096
af854a3a-2127-422b-91ae-364da2661108http://support.apple.com/kb/HT3757
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/35954
af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/cas/techalerts/TA09-218A.html
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2009/2172

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-134Use of Externally-Controlled Format String

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-30 15:55 UTCEG score recompute
2026-05-30 15:55 UTCGHSA enrichment
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch

Frequently asked(4)

What is CVE-2009-2191?

CVE-2009-2191 is a none vulnerability published on August 6, 2009. Format string vulnerability in Login Window in Apple Mac OS X 10.4.11 and 10.5 before 10.5.8 allows attackers to execute arbitrary code or cause a denial of service (application crash) via format string specifiers in an application name.

When was CVE-2009-2191 disclosed?

CVE-2009-2191 was first published in the National Vulnerability Database on August 6, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2009-2191 actively exploited?

CVE-2009-2191 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 75.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-2191?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-2191, 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-2009-2191

📅 Published

🔄 Last Modified

🔗 References (16)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-2191?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (16)

Frequently asked(4)

Related CVEs(same CWE)