Description
An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. watchOS before 3.2 is affected. The issue involves the "WebKit" component. A use-after-free vulnerability allows remote attackers to execute arbitrary code 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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | webkit2gtk | 2.14.6-1 | — |
| Debian 13 | webkit2gtk | 2.14.6-1 | — |
| Debian 12 | webkit2gtk | 2.14.6-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 22.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 20.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 18.04 LTS | webkitgtk +2 | No fix yet | — |
| Ubuntu 16.04 LTS | webkit2gtk | 2.16.1-0ubuntu0.16.04.1 | USN-3257-1 |
| Ubuntu 16.04 LTS | webkitgtk +2 | No fix yet | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- Apple WebKit - 'table' Use-After-Free EDB-41813 · dos · Apr 4, 2017 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- USN-3257-1 webkit2gtk vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
References
- 1038137 vdb-entry
- GLSA-201706-15 vendor-advisory
- https://support.apple.com/HT207602
- 97133 vdb-entry
- https://support.apple.com/HT207600
- 41813 exploit
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1105
- https://support.apple.com/HT207617