Integer overflow in Webkitgtk Webkitgtk\+
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…
Vulnerability class: Integer Overflow
EPSS: 0.012 (64.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Webkitgtk Webkitgtk\+
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Patch)
- nvd@nist.gov (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-1000121?
- CVE-2017-1000121 is a critical-severity vulnerability in Webkitgtk Webkitgtk\+, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2017-11-01.
- How severe is CVE-2017-1000121?
- Critical severity. CVSS v3 base score is 9.8 out of 10.