CVE-2017-1000121

9.8 CRITICAL
Published: November 01, 2017 Modified: May 13, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://webkitgtk.org/security/WSA-2017-0007.html
Source: nvd@nist.gov
Vendor Advisory
http://trac.webkit.org/changeset/217126/webkit
Source: af854a3a-2127-422b-91ae-364da2661108
Patch

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
1.2%
64th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

webkitgtk