CVE-2015-5922

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.

Published: 2015-10-09 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-5922 is rated High Risk (66.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.04%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-5922

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-01 1.99% 1.04% -0.94%
2 2025-06-20 1.04% 1.99% +0.94%
3 2025-03-30 1.04%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-5922

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2015-5922

OS Trackers for CVE-2015-5922

vendor priority summary link
ubuntu medium CVE-2015-5922 medium priority: Ubuntu including 1 source packages (icu), 5 status rows across 5 suites (precise, trusty, upstream, vivid, wily): not-affected 4, needs-triage 1. https://ubuntu.com/security/CVE-2015-5922

Affected software / configurations for CVE-2015-5922

Vendor Product Version Raw CPE
apple mac_os_x < 10.11 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
apple watchos <= 1.01 cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
icu-project international_components_for_unicode < 53.1 cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\/c\+\+:*:*

References for CVE-2015-5922

cvelogic Threat Intelligence