CVE-2022-39316 Out of bound read in FreeRDP

What is CVE-2022-39316?

CVE-2022-39316 is a medium-severity memory corruption vulnerability in Fedoraproject Fedora, published on 16 Nov 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

FreeRDP is a free remote desktop protocol library and clients. In affected versions there is an out of bound read in ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it likely resulting in a crash. This issue has been addressed in the 2.9.0 release. Users are advised to upgrade.

Weakness: CWE-125

Which versions are affected by CVE-2022-39316?

It affects 2 products.

Products include Fedoraproject Fedora, Freerdp Freerdp.

How do I fix CVE-2022-39316?

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-2022-39316 being exploited?

There is no known exploitation of CVE-2022-39316 in the wild and no public exploit code.

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All Fedoraproject Fedora vulnerabilities

Sources

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

Also known as CLEANSTART-2024-AK27923, DEBIAN-CVE-2022-39316, GHSA-5w4j-mrrh-jjrm, UBUNTU-CVE-2022-39316.