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CVE-2016-7944

Published: 13 December 2016

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.

Notes

AuthorNote
msalvatore
patch released in 1:5.0.1-2+deb8u1

Priority

Low

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
libxfixes
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic
Released (1:5.0.3-1)
cosmic
Released (1:5.0.3-1)
disco
Released (1:5.0.3-1)
eoan
Released (1:5.0.3-1)
focal
Released (1:5.0.3-1)
hirsute
Released (1:5.0.3-1)
impish
Released (1:5.0.3-1)
precise Ignored
(end of life)
trusty Does not exist
(trusty was needed)
upstream
Released (1:5.0.1-2+deb8u1, 5.0.3)
xenial
Released (1:5.0.1-2ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
groovy
Released (1:5.0.3-1)
jammy
Released (1:5.0.3-1)
Patches:
upstream: https://cgit.freedesktop.org/xorg/lib/libXfixes/commit/?id=61c1039ee23a2d1de712843bed3480654d7ef42e

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H