CVE-2009-0012

NONECVSS 0.0

0.0

Heap-based buffer overflow in CoreText in Apple Mac OS X 10.5.6 allows remote attackers to execute arbitrary code via a crafted Unicode string.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 91.7%
KEV: Not listed

Published

February 13, 2009

Last Modified

April 23, 2026

References (14)

cve@mitrehttp://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
cve@mitrehttp://osvdb.org/51977
cve@mitrehttp://secunia.com/advisories/33937
cve@mitrehttp://support.apple.com/kb/HT3438
cve@mitrehttp://www.securityfocus.com/bid/33759
cve@mitrehttp://www.securityfocus.com/bid/33809
cve@mitrehttp://www.vupen.com/english/advisories/2009/0422
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/51977
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/33937
af854a3a-2127-422b-91ae-364da2661108http://support.apple.com/kb/HT3438
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/33759
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/33809
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2009/0422

Weakness Classification(1)

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

CWE-119Buffer Operations Within Bounds (Buffer Overflow)

Data Freshness Timeline

(refreshed 14× in last 7d / 47× 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.

2026-06-21 14:53 UTCEPSS rescore
2026-06-21 01:56 UTCEPSS rescore
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2026-06-19 19:22 UTCEPSS rescore
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2026-06-13 22:57 UTCEPSS rescore
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2026-06-06 13:44 UTCEPSS rescore
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2026-06-05 22:44 UTCEPSS rescore
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2026-06-05 06:07 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
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2026-06-02 20:10 UTCEPSS rescore
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2026-05-31 22:28 UTCEPSS rescore
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2026-05-31 00:13 UTCEPSS rescore
2026-05-31 00:13 UTCEPSS rescore
2026-05-30 18:15 UTCEG score recompute
2026-05-30 18:15 UTCGHSA enrichment
2026-05-29 13:40 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
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2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
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2026-05-26 13:41 UTCEPSS rescore
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2026-05-24 16:43 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
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2026-05-20 11:21 UTCEPSS rescore
2026-05-20 11:20 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore

Frequently asked(4)

What is CVE-2009-0012?

CVE-2009-0012 is a none vulnerability published on February 13, 2009. Heap-based buffer overflow in CoreText in Apple Mac OS X 10.5.6 allows remote attackers to execute arbitrary code via a crafted Unicode string.

When was CVE-2009-0012 disclosed?

CVE-2009-0012 was first published in the National Vulnerability Database on February 13, 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-2009-0012 actively exploited?

CVE-2009-0012 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-0012?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-0012, 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-2009-0012

📅 Published

🔄 Last Modified

🔗 References (14)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-0012?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (14)

Frequently asked(4)

Related CVEs(same CWE)