Critical severity9.8NVD Advisory· Published Nov 1, 2017· Updated Jun 17, 2026
CVE-2017-1000121
CVE-2017-1000121
Description
The UNIX IPC layer in WebKit, including WebKitGTK+ prior to 2.16.3, does not properly validate message size metadata, allowing a compromised secondary process to trigger an integer overflow and subsequent buffer overflow in the UI process. This vulnerability does not affect Apple products.
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Affected products
4- Range: <2.16.3
Patches
Vulnerability mechanics
References
2- trac.webkit.org/changeset/217126/webkitnvdPatch
- webkitgtk.org/security/WSA-2017-0007.htmlnvdVendor Advisory
News mentions
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