CVE-2016-7952 Denial of service in n/a

What is CVE-2016-7952?

CVE-2016-7952 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 13 Dec 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

X.org libXtst before 1.2.3 allows remote X servers to cause a denial of service (infinite loop) via a reply in the (1) XRecordStartOfData, (2) XRecordEndOfData, or (3) XRecordClientDied category without a client sequence and with attached data.

Weakness: CWE-284, CWE-20

Which versions are affected by CVE-2016-7952?

It affects 2 products.

Products include Fedoraproject Fedora, X.org Libxtst.

How do I fix CVE-2016-7952?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2016-7952 being exploited?

There is no known exploitation of CVE-2016-7952 in the wild and no public exploit code.

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• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2016-7952, DEBIAN-CVE-2016-7952, GHSA-c782-x8r3-24r4, UBUNTU-CVE-2016-7952.