CVE-2009-2191

Name: CVE-2009-2191
Creator: NVD / NIST
Published: 2009-08-06T16:30:00.39+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.17%

Last modified Jun 16, 2026

CVE-2009-2191 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.17% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

4.17%

89.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-134

Affected Software

Vendor	Product	Versions
Apple	Mac Os X	10.5.6
Apple	Mac Os X	10.4.11
Apple	Mac Os X	10.5
Apple	Mac Os X	10.5.7
Apple	Mac Os X Server	10.4.11
Apple	Mac Os X Server	10.5.5
Apple	Mac Os X Server	10.5.6
Apple	Mac Os X Server	10.5.7

References

http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.htmlPatch, Vendor Advisory
http://osvdb.org/56840
http://secunia.com/advisories/36096Vendor Advisory
http://support.apple.com/kb/HT3757Patch, Vendor Advisory
http://www.securityfocus.com/bid/35954Patch
http://www.us-cert.gov/cas/techalerts/TA09-218A.htmlUS Government Resource
http://www.vupen.com/english/advisories/2009/2172Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/52428
http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.htmlPatch, Vendor Advisory
http://osvdb.org/56840
http://secunia.com/advisories/36096Vendor Advisory
http://support.apple.com/kb/HT3757Patch, Vendor Advisory
http://www.securityfocus.com/bid/35954Patch
http://www.us-cert.gov/cas/techalerts/TA09-218A.htmlUS Government Resource
http://www.vupen.com/english/advisories/2009/2172Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/52428

Timeline

Published: Aug 6, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-2191?

How severe is CVE-2009-2191?

Severity scoring for CVE-2009-2191 is pending analysis. The EPSS model estimates a 4.17% probability of exploitation in the next 30 days.

How do I fix CVE-2009-2191?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-2191?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST