SEPTEMBER 20, 2026
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Case File

CVE-2017-1000121

CRITICAL · CVSS 9.8 EPSS 1.20%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-11-01 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2017-1000121
Severity
CRITICAL
CVSS
9.8
EPSS
1.20%

Original 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)