CVE-2009-0012

Heap-based buffer overflow in CoreText in Apple Mac OS X 10.5.6 allows remote attackers to...

10.0 High

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.

Exploit likelihood

5.43%Down 0.7 points since Feb 4, 2022

What each source reports

NVD Score used 10.0

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.

Record: CVE-2009-0012
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2009-0012
Updated: 2026-11-02

EUVDEUVD-2009-0025 No score

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.

Record: EUVD-2009-0025
Updated: 2026-11-03

GitHub AdvisoriesGHSA-p7wp-mcqw-8cx2 No score

Heap-based buffer overflow in CoreText in Apple Mac OS X 10.5.6 allows remote attackers to...

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.

Record: GHSA-p7wp-mcqw-8cx2
Weakness: CWE-119
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-0012 is a high vulnerability (CVSS 10.0) in Apple Mac Os X, published February 13, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.43%, the 92nd percentile. No source names a fixed version.

Exploit likelihood

What each source reports

Affected products

History

In short

References