CVE-2009-0154

6.8 MEDIUM 6% exploit odds Fix listed Memory safety OS & kernel

What it is

Heap-based buffer overflow in Apple Type Services (ATS) in Apple Mac OS X 10.4.11 and 10.5 before 10.5.7 allows remote attackers to execute arbitrary code via a crafted Compact Font Format (CFF) font.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 5.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2009-05-13 15:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:04 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 5.5% in the next 30 days (EPSS).
Severity: 6.8 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2009-05-13 15:30 UTC
Last modified: 2026-06-16 23:04 UTC
Exploit probability: 5.5% · EPSS, next 30 days
Weakness: CWE-119 · Buffer errors
Record status: Modified

Affected

Apple Mac Os X 10.4.11
Apple Mac Os X 10.5.0
Apple Mac Os X 10.5.1
Apple Mac Os X 10.5.2
Apple Mac Os X 10.5.3
Apple Mac Os X 10.5.4
Apple Mac Os X 10.5.5
Apple Mac Os X 10.5.6

Attack profile CVSS 2.0 · 6.8

Attack vector: Network
Complexity: Medium
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2009-0154.md and follow it. Check whether this project is affected by CVE-2009-0154. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record