MEDIUM
WebKit, as used in Apple iOS before 9.3.2, Safari before 9.1.1, and tvOS before 9.2.1, improperly tracks taint attributes, which allows remote attackers to obtain sensitive information via a crafted web site
Published May 20, 2016
6.5
MEDIUMCVSS 3.0
EPSS 2.17%
Description
WebKit, as used in Apple iOS before 9.3.2, Safari before 9.1.1, and tvOS before 9.2.1, improperly tracks taint attributes, which allows remote attackers to obtain sensitive information via a crafted web site.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
6.5 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.17% 0.02168
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02168
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.17% (0.02168) | 81.60th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.17% (0.02168) | 79.84th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.13% (0.02130) | 82.62th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.19% (0.03189) | 78.16th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.13% (0.02130) | 82.99th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.85% (0.01850) | 88.01th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.32% (0.00317) | 69.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00317) | 65.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.78% (0.01776) | 76.86th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.78% (0.01776) | 76.81th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.78% (0.01776) | 74.78th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.78% (0.01776) | 53.99th | v2 (v2022.01.01) |
Weaknesses (1)
References (9)
- http://lists.apple.com/archives/security-announce/2016/May/msg00001.html vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00002.html vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00005.html vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory
- http://packetstormsecurity.com/files/137229/WebKitGTK-Code-Execution-Denial-Of-Service-Memory-Corruption.html x_refsource_MISCThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/archive/1/538522/100/0/threaded mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1035888 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://support.apple.com/HT206564 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT206565 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT206568 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.apple.com/archives/security-announce/2016/May/msg00001.html | vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory | |
| http://lists.apple.com/archives/security-announce/2016/May/msg00002.html | vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory | |
| http://lists.apple.com/archives/security-announce/2016/May/msg00005.html | vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory | |
| http://packetstormsecurity.com/files/137229/WebKitGTK-Code-Execution-Denial-Of-Service-Memory-Corruption.html | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/archive/1/538522/100/0/threaded | mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1035888 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://support.apple.com/HT206564 | x_refsource_CONFIRMVendor Advisory | |
| https://support.apple.com/HT206565 | x_refsource_CONFIRMVendor Advisory | |
| https://support.apple.com/HT206568 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apple
Published May 20, 2016
Updated Aug 5, 2024
Reserved Jan 13, 2016
Link CVE-2016-1858
CISA Vulnrichment
Updated n/a