Vulnerability Report

CVE-2017-1000121

Title: Webkitgtk Webkitgtk\+ Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2017-1000121.

CWE Category CWE-190

Published Date Nov 01, 2017

Modified Date May 13, 2026

Exploit Status Not Found

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

0.65%

Vulnerability Summary

CVE-2017-1000121: 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.

Impacted Vendors

webkitgtk 1

webkit 1

Reference Links

http://trac.webkit.org/changeset/217126/webkit https://webkitgtk.org/security/WSA-2017-0007.html http://trac.webkit.org/changeset/217126/webkit

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns