CVE-2020-36149 Null dereference in n/a

What is CVE-2020-36149?

CVE-2020-36149 is a medium-severity vulnerability in Fedoraproject Fedora, published on 8 Feb 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Incorrect handling of input data in changeAttribute function in the libmysofa library 0.5 - 1.1 will lead to NULL pointer dereference and segmentation fault error in case of restrictive memory protection or near NULL pointer overwrite in case of no memory restrictions (e.g. in embedded environments).

Weakness: CWE-476

Which versions are affected by CVE-2020-36149?

It affects 2 products.

Products include Fedoraproject Fedora, Symonics Libmysofa.

How do I fix CVE-2020-36149?

Upgrade to a fixed version.

Is CVE-2020-36149 being exploited?

There is no known exploitation of CVE-2020-36149 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 DEBIAN-CVE-2020-36149, GHSA-7h6h-hrf8-cc7v, UBUNTU-CVE-2020-36149.