CVE-2021-36979
MEDIUMCVSS 5.5/10EPSS 0.88%
Last modified
CVE-2021-36979 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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).. EPSS estimates a 0.88% chance of exploitation in the next 30 days.
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).
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Unicorn-Engine | Unicorn Engine | 1.0.2 |
| Fedoraproject | Fedora | 35 |
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30391Issue Tracking, Patch, Third Party Advisory
- https://github.com/unicorn-engine/unicorn/commit/bf1713d9e011b55ca1f502a6779fc4722b4bb077Patch, Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30391Issue Tracking, Patch, Third Party Advisory
- https://github.com/unicorn-engine/unicorn/commit/bf1713d9e011b55ca1f502a6779fc4722b4bb077Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-36979?
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).
How severe is CVE-2021-36979?
CVE-2021-36979 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.
How do I fix CVE-2021-36979?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-36979?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST