CVE-2021-21860 Integer overflow in GPAC Project

What is CVE-2021-21860?

CVE-2021-21860 is a high-severity vulnerability in Debian Debian Linux, published on 16 Aug 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

An exploitable integer truncation vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause an improper memory allocation resulting in a heap-based buffer overflow that causes memory corruption. The FOURCC code, 'trik', is parsed by the function within the library. An attacker can convince a user to open a video to trigger this vulnerability.

Weakness: CWE-681, CWE-680

Which versions are affected by CVE-2021-21860?

It affects 2 products.

Products include Debian Debian Linux, Gpac Gpac.

How do I fix CVE-2021-21860?

Upgrade to a fixed version.

Is CVE-2021-21860 being exploited?

There is no known exploitation of CVE-2021-21860 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2021-21860, GHSA-4q7h-5c9f-8xqg, UBUNTU-CVE-2021-21860.