CVE-2017-1000121
9.8
CRITICAL
CVSS 3.1
EPSS 0.65%
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.
How to fix CVE-2017-1000121
To remediate CVE-2017-1000121, upgrade the affected package to a fixed version below.
- Debian/webkit2gtk—upgrade to 2.16.3-2 or later
Is CVE-2017-1000121 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.16.3-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |