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Vulnerabilities / CVE-2016-7944

critical

CVE-2016-7944

libXfixes: Insufficient validation of server responses results in Integer overflow

Published Modified CWE 190, 264
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat4.2CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium), Ubuntu (low).

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.

Affected packages and fixed versions

SourcePackageFixed in
alpine 3.2libxfixes5.0.1-r1
alpine 3.3libxfixes5.0.1-r2
debian 11libxfixes1:5.0.3-1
debian 12libxfixes1:5.0.3-1
debian 13libxfixes1:5.0.3-1
debian 14libxfixes1:5.0.3-1
debian 7libxfixes1:5.0-4+deb7u2
debian 8libxfixes1:5.0.1-2+deb8u1
echolibxfixes1:5.0.3-1
Red HatlibXfixes, libXfixes-develno fix listed
ubuntu 16.04-ESMlibxfixes1:5.0.1-2ubuntu0.1~esm1
ubuntu 18.04libxfixes1:5.0.3-1
Show all 23 entries from 22 sources
SourcePackageFixed in
alpine 3.2libxfixes5.0.1-r1
alpine 3.3libxfixes5.0.1-r2
debian 11libxfixes1:5.0.3-1
debian 12libxfixes1:5.0.3-1
debian 13libxfixes1:5.0.3-1
debian 14libxfixes1:5.0.3-1
debian 7libxfixes1:5.0-4+deb7u2
debian 8libxfixes1:5.0.1-2+deb8u1
echolibxfixes1:5.0.3-1
Red HatlibXfixesno fix listed
Red HatlibXfixes-develno fix listed
ubuntu 16.04-ESMlibxfixes1:5.0.1-2ubuntu0.1~esm1
ubuntu 18.04libxfixes1:5.0.3-1
ubuntu 18.04-ESMlibxfixes1:5.0.3-1
ubuntu 18.10libxfixes1:5.0.3-1
ubuntu 19.04libxfixes1:5.0.3-1
ubuntu 19.10libxfixes1:5.0.3-1
ubuntu 20.04libxfixes1:5.0.3-1
ubuntu 20.04-ESMlibxfixes1:5.0.3-1
ubuntu 20.10libxfixes1:5.0.3-1
ubuntu 21.04libxfixes1:5.0.3-1
ubuntu 21.10libxfixes1:5.0.3-1
ubuntu 22.04libxfixes1:5.0.3-1

References

All 13 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.