CVE-2009-2191

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-08-06 · updated 2026-06-16
Weakness: CWE-134

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.

Affected products

macOS: 10.5.6, 10.4.11, 10.5, 10.5.7
Apple Mac Os X Server: 10.4.11, 10.5.5, 10.5.6, 10.5.7

References

http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html
http://osvdb.org/56840
http://secunia.com/advisories/36096
http://support.apple.com/kb/HT3757
http://www.securityfocus.com/bid/35954
http://www.us-cert.gov/cas/techalerts/TA09-218A.html
http://www.vupen.com/english/advisories/2009/2172
https://exchange.xforce.ibmcloud.com/vulnerabilities/52428
http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html
http://osvdb.org/56840
http://secunia.com/advisories/36096
http://support.apple.com/kb/HT3757

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