CVE-2020-11040 Out-of-bounds Read in FreeRDP

What is CVE-2020-11040?

CVE-2020-11040 is a low-severity vulnerability in Debian Debian Linux, published on 29 May 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound data read from memory in clear_decompress_subcode_rlex, visualized on screen as color. This has been patched in 2.1.0.

Weakness: CWE-125

Which versions are affected by CVE-2020-11040?

It affects 3 products.

Products include Debian Debian Linux, Freerdp Freerdp, Opensuse Leap.

How do I fix CVE-2020-11040?

Upgrade to a fixed version.

Is CVE-2020-11040 being exploited?

There is no known exploitation of CVE-2020-11040 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

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• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2020-11040, GHSA-x4wq-m7c9-rjgr, UBUNTU-CVE-2020-11040.