CVE-2016-7944

libXfixes: Insufficient validation of server responses results in Integer overflow

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Severity

Moderate

Red Hat Product Security

4.2

CVSS 3.0

Review impact separately from score.

Published · September 25, 2016

Updated · November 21, 2025

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.2
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

CVSS 2.0 · 4.3
AV:A/AC:M/Au:N/C:N/I:P/A:P

CWE-190 · Integer Overflow or Wraparound