CVE-2016-7944

—

CVSS 3.0

9.8 critical

EPSS

3%p88

Published

Dec 13, 2016 (Dec 13, 2016)

Modified

Jun 17, 2026

Description

Integer overflow in X.org libXfixes before 5.0.3 on 32-bit platforms might allow remote X servers to gain privileges via a length value of INT_MAX, which triggers the client to stop reading data and get out of sync.

Vendors: x.org fedoraproject
Products: libxfixes, fedora
Weakness: CWE-190, CWE-264
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (3.4%)

In the news1 stories

Update X.Org libraries to avoid Privilege Escalation and DoS attacks

Security AffairsOct 7, 13:48 UTC · Oct 7, 2016Vulnerability CVE-2016-7942 CVE-2016-7943 CVE-2016-7944+10 CVEs