CVE-2010-0056

Buffer overflow in Cocoa spell checking in AppKit in Apple Mac OS X 10.5.8 allows user-assisted remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted document.

Published: 2010-03-30 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-0056 is rated Moderate Risk (54.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.45%). Review affected assets and schedule 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-2010-0056

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 2025-03-30 1.58% 1.45% -0.13%
2 2025-03-29 1.45% 1.58% +0.13%
3 2025-03-17 — 1.45% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-0056

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2010-0056

Affected software / configurations for CVE-2010-0056

Vendor Product Version Raw CPE
apple mac_os_x 10.5.8 cpe:2.3:o:apple:mac_os_x:10.5.8:*:*:*:*:*:*:*
apple mac_os_x_server 10.5.8 cpe:2.3:o:apple:mac_os_x_server:10.5.8:*:*:*:*:*:*:*

References for CVE-2010-0056

cvelogic Threat Intelligence