WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles…
Priority MEDIUM 40CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-284.
Summary
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles the location variable, which allows remote attackers to access the local filesystem via unspecified vectors.
Why it matters now
EPSS 0.04256 91st 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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:webkit:*:*:*:*:*:*:*:* | all versions | Vulnerable | Apple |
| cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | before 9.1.2 | Running on | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 9.3.3 | Running on | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 9.2.2 | Running on | Apple |
- cpe:2.3:a:apple:webkit:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Apple
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 9.1.2 Running on ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 9.3.3 Running on ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 9.2.2 Running on ·Apple
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4591
- 2026-10-03 Alias added: GHSA-528c-rrj8-7mch
References
More Apple Webkit vulnerabilities
- TI-2011-01553 WebKit in Apple Safari before 5.0.6 has improper libxslt security settings, which allows… CVSS 2.0HIGH 8.8
- TI-2011-00208 WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute… CVSS 2.0HIGH 9.3
- TI-2010-01685 Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5… CVSS 2.0HIGH 9.3
- TI-2011-01132 Integer overflow in WebKit, as used on the Research In Motion (RIM) BlackBerry Torch 9800… CVSS 2.0HIGH 10.0
- TI-2010-01675 Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5… CVSS 2.0HIGH 9.3
- TI-2010-01359 Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5… CVSS 2.0HIGH 9.3
Sources
- CVE-2016-4591 · CVE Program
- CVE-2016-4591 · NVD
- FIRST EPSS
- GHSA-528c-rrj8-7mch · 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