CVE-2016-7944

CRITICAL

libXfixes < 5.0.3 - Integer Overflow via Length Value

Title source: llm
STIX 2.1

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.

References (9)

Core 9
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036945
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/93361
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201704-03
Various Sources mailing-list x_refsource_mlist
https://lists.x.org/archives/xorg-announce/2016-October/002720.html
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/10/04/4
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/10/04/2

Scores

CVSS v3 9.8
EPSS 0.0340
EPSS Percentile 87.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190 CWE-264
Status published
Products (3)
fedoraproject/fedora 24
fedoraproject/fedora 25
x.org/libxfixes < 5.0.2
Published Dec 13, 2016
Tracked Since Feb 18, 2026