What’s Vulnerable › Vulnerabilities

CVE-2015-5922

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-10-09 · updated 2026-06-17

Description

Unspecified vulnerability in International Components for Unicode (ICU) before 53.1.0, as used in Apple OS X before 10.11 and watchOS before 2, has unknown impact and attack vectors.

Affected products

• macOS: before 10.11 — fixed in 10.11
• Apple watchOS: through 1.01
• Icu-Project International Components For Unicode: before 53.1 — fixed in 53.1

How to fix

Upgrade to a fixed version: macOS 10.11; Icu-Project International Components For Unicode 53.1. Check the vendor advisory for mitigations.

References

• http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
• http://www.securityfocus.com/bid/76911
• http://www.securitytracker.com/id/1033703
• https://support.apple.com/HT205213
• https://support.apple.com/HT205267
• https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
• http://www.securityfocus.com/bid/76911
• http://www.securitytracker.com/id/1033703
• https://support.apple.com/HT205213

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