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CVE-2014-4459

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-11-18 · updated 2026-06-17

Description

Use-after-free vulnerability in WebKit, as used in Apple OS X before 10.10.1, allows remote attackers to execute arbitrary code via crafted page objects in an HTML document.

Affected products

• Apple Iphone Os: before 8.1.3 — fixed in 8.1.3
• Apple iTunes for Windows: before 12.2 — fixed in 12.2
• macOS: before 10.10.1 — fixed in 10.10.1
• Apple Safari: from 6.0 before 6.2.1; from 7.0 before 7.1.1; from 8.0 before 8.0.1 — fixed in 6.2.1, 7.1.1, 8.0.1
• Apple tvOS: before 7.0.3 — fixed in 7.0.3

How to fix

Upgrade to a fixed version: Apple Iphone Os 8.1.3; Apple iTunes for Windows 12.2; macOS 10.10.1; Apple Safari 6.2.1, 7.1.1, 8.0.1; Apple tvOS 7.0.3. Check the vendor advisory for mitigations.

References

• http://lists.apple.com/archives/security-announce/2014/Dec/msg00000.html
• http://lists.apple.com/archives/security-announce/2014/Nov/msg00001.html
• http://lists.apple.com/archives/security-announce/2015/Jan/msg00000.html
• http://lists.apple.com/archives/security-announce/2015/Jan/msg00001.html
• http://lists.apple.com/archives/security-announce/2015/Jun/msg00006.html
• http://secunia.com/advisories/62503
• http://support.apple.com/HT204245
• http://support.apple.com/HT204246
• http://support.apple.com/kb/HT6596
• http://www.securityfocus.com/bid/71144
• http://www.securitytracker.com/id/1031230
• https://exchange.xforce.ibmcloud.com/vulnerabilities/98784

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