CVE-2016-7949 Memory corruption in n/a

What is CVE-2016-7949?

CVE-2016-7949 is a critical memory corruption 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

Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger out-of-bounds write operations via vectors involving length fields.

Weakness: CWE-787, CWE-20

Which versions are affected by CVE-2016-7949?

It affects 2 products.

Products include Fedoraproject Fedora, X.org Libxrender.

How do I fix CVE-2016-7949?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-7949 being exploited?

There is no known exploitation of CVE-2016-7949 in the wild and no public exploit code.

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• 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 DEBIAN-CVE-2016-7949, GHSA-6hhj-qxqj-cvqh, UBUNTU-CVE-2016-7949.