CVE-2011-0206
Buffer overflow in International Components for Unicode (ICU) in Apple Mac OS X before 10.6.8...
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.
Exploit likelihood
What each source reports
NVD Score used
7.5
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.
- Record
CVE-2011-0206- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-0206- Updated
- 2026-11-02
EUVDEUVD-2011-0232 No score
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.
- Record
EUVD-2011-0232- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-56mw-6mm9-crqj No score
Buffer overflow in International Components for Unicode (ICU) in Apple Mac OS X before 10.6.8...
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.
- Record
GHSA-56mw-6mm9-crqj- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-0206 is a high vulnerability (CVSS 7.5) in Apple Mac Os X, published June 24, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.09%, the 87th percentile. No source names a fixed version.
References
support.apple.com/kb/HT4723
lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
lists.apple.com/archives/security-announce/2011//Jun/msg00000.html
exchange.xforce.ibmcloud.com/vulnerabilities/68217
support.apple.com/kb/HT4999
support.apple.com/kb/HT4808
lists.apple.com/archives/security-announce/2011//Jul/msg00002.html
nvd.nist.gov/vuln/detail/CVE-2011-0206
github.com/advisories/GHSA-56mw-6mm9-crqj