Description
WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 allows remote attackers to conduct DNS rebinding attacks against non-HTTP Safari sessions by leveraging HTTP/0.9 support.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | webkit2gtk | 2.14.2-0ubuntu0.16.04.1 | USN-3166-1 |
| Ubuntu 16.04 LTS | webkitgtk +2 | No fix yet | — |
Advisories 1
- USN-3166-1 webkit2gtk vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
References
- APPLE-SA-2016-09-20-3 vendor-advisory
- https://support.apple.com/HT207157
- https://support.apple.com/HT207158
- 93066 vdb-entry
- 1036854 vdb-entry
- https://support.apple.com/HT207143
- APPLE-SA-2016-09-20-7 vendor-advisory
- APPLE-SA-2016-09-20-2 vendor-advisory