Description
The WebKit Canvas implementation in Apple iOS before 9.3.2, Safari before 9.1.1, and tvOS before 9.2.1 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.
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 | 2.12.5-0ubuntu0.16.04.1 | USN-3079-1 |
| Ubuntu 16.04 LTS | webkitgtk +2 | No fix yet | — |
Advisories 1
- USN-3079-1 webkit2gtk vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
References
- http://www.zerodayinitiative.com/advisories/ZDI-16-352
- APPLE-SA-2016-05-16-5 vendor-advisory
- 1035888 vdb-entry
- http://packetstormsecurity.com/files/137229/WebKitGTK-Code-Execution-Denial-Of-Service-Memory-Corruption.html
- https://support.apple.com/HT206564
- APPLE-SA-2016-05-16-2 vendor-advisory
- https://support.apple.com/HT206565
- 20160530 WebKitGTK+ Security Advisory WSA-2016-0004 mailing-list
- https://support.apple.com/HT206568
- APPLE-SA-2016-05-16-1 vendor-advisory