CVE-2021-36979 Memory corruption in n/a

What is CVE-2021-36979?

CVE-2021-36979 is a medium-severity memory corruption vulnerability in Fedoraproject Fedora, published on 20 Jul 2021. 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

Unicorn Engine 1.0.2 has an out-of-bounds write in tb_flush_armeb (called from cpu_arm_exec_armeb and tcg_cpu_exec_armeb).

Weakness: CWE-787

Which versions are affected by CVE-2021-36979?

It affects 2 products.

Products include Fedoraproject Fedora, Unicorn-Engine Unicorn Engine.

How do I fix CVE-2021-36979?

No fix has been published for CVE-2021-36979 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2021-36979 being exploited?

There is no known exploitation of CVE-2021-36979 in the wild and no public exploit code.

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• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

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

Also known as GHSA-65p9-86g3-vxrx.