Use after free in Apple WebKit
Priority MEDIUM 42CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. iCloud before 6.2 on Windows is affected. iTunes before 12.6 on Windows is affected. tvOS before 10.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
Why it matters now
EPSS 0.02129 82nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:* | before 6.2 | Vulnerable | Apple |
| cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:* | before 12.6 | Vulnerable | Apple |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | before 10.1 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 10.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 10.2 | Vulnerable | Apple |
- cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:* Versions before 6.2 Vulnerable ·Apple
- cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:* Versions before 12.6 Vulnerable ·Apple
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 10.1 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 10.3 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 10.2 Vulnerable ·Apple
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-2463
- 2026-10-03 Alias added: GHSA-xp9p-qg3w-qqg5
References
More Apple Icloud vulnerabilities
- TI-2019-06084 Type confusion in Apple iOS KEVCVSS 3.1HIGH 8.8
- TI-2020-16987 Type confusion in Apple watchOS KEVCVSS 3.1HIGH 7.8
- TI-2020-07926 Apple iOS: A remote attacker may be able to cause arbitrary code execution CVSS 3.1CRITICAL 9.8
- TI-2018-03187 Memory corruption in Apple WebKit CVSS 3.1HIGH 8.8
- TI-2018-03118 Memory corruption in Apple WebKit CVSS 3.0HIGH 8.8
- TI-2018-03361 Memory corruption in iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows CVSS 3.0HIGH 8.8
Sources
- CVE-2017-2463 · CVE Program
- CVE-2017-2463 · NVD
- FIRST EPSS
- GHSA-xp9p-qg3w-qqg5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences