CVE-2011-0206

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-06-24 · updated 2026-06-16
Weakness: CWE-119

Description

Buffer overflow in International Components for Unicode (ICU) in Apple Mac OS X before 10.6.8 allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving uppercase strings.

Affected products

macOS: 10.6.0, 10.6.1, 10.6.2, 10.6.3, 10.6.4, 10.6.5 (+2)
Apple Mac Os X Server: 10.6.0, 10.6.1, 10.6.2, 10.6.3, 10.6.4, 10.6.5 (+2)

References

http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
http://lists.apple.com/archives/security-announce/2011//Jul/msg00002.html
http://lists.apple.com/archives/security-announce/2011//Jun/msg00000.html
http://support.apple.com/kb/HT4723
http://support.apple.com/kb/HT4808
http://support.apple.com/kb/HT4999
https://exchange.xforce.ibmcloud.com/vulnerabilities/68217
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
http://lists.apple.com/archives/security-announce/2011//Jul/msg00002.html
http://lists.apple.com/archives/security-announce/2011//Jun/msg00000.html
http://support.apple.com/kb/HT4723
http://support.apple.com/kb/HT4808

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