CVE-2020-29394 Memory corruption in n/a

What is CVE-2020-29394?

CVE-2020-29394 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 30 Nov 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A buffer overflow in the dlt_filter_load function in dlt_common.c from dlt-daemon through 2.18.5 (GENIVI Diagnostic Log and Trace) allows arbitrary code execution because fscanf is misused (no limit on the number of characters to be read in the format argument).

Weakness: CWE-787

Which versions are affected by CVE-2020-29394?

It affects 2 products.

Products include Debian Debian Linux, Genivi Diagnostic Log and Trace.

How do I fix CVE-2020-29394?

Apply the vendor's patch.

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

Is CVE-2020-29394 being exploited?

There is no known exploitation of CVE-2020-29394 in the wild and no public exploit code.

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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-2020-29394, GHSA-phgp-jpjx-5mh3, UBUNTU-CVE-2020-29394.