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Vulnerability record · CVE-2009-0012 · published 13 February 2009

CVE-2009-0012: Apple mac os x memory buffer overflow vulnerability

Apple · Mac Os X

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.

10.0 CVSS 2.0 High EPSS 5.4% · top 7.6% CWE-119 · Memory buffer overflow
10.0CVSS 2.0 base score
5.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html PatchVendor Advisory
http://osvdb.org/51977
http://secunia.com/advisories/33937 Vendor Advisory
http://support.apple.com/kb/HT3438
http://www.securityfocus.com/bid/33759
http://www.securityfocus.com/bid/33809
http://www.vupen.com/english/advisories/2009/0422 Vendor Advisory
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html PatchVendor Advisory
http://osvdb.org/51977
http://secunia.com/advisories/33937 Vendor Advisory
http://support.apple.com/kb/HT3438
http://www.securityfocus.com/bid/33759
http://www.securityfocus.com/bid/33809
http://www.vupen.com/english/advisories/2009/0422 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2009-0012), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.