CVE-2026-22780
Heap Overflow in Rizin via Malicious Mach-O File Parsing
Publication date: 2026-02-02
Last updated on: 2026-02-20
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| rizin | rizin | to 0.8.2 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-770 | The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a heap overflow in the Rizin reverse engineering framework that occurs when it parses a malicious mach0 file containing bogus entries for the dyld chained segments. This flaw exists in versions prior to 0.8.2 and is fixed in version 0.8.2.
How can this vulnerability impact me? :
Exploiting this heap overflow vulnerability could allow an attacker to cause a denial of service or potentially execute arbitrary code with limited privileges when a malicious mach0 file is parsed by Rizin.
What immediate steps should I take to mitigate this vulnerability?
Update rizin to version 0.8.2 or later, as this version contains the fix for the heap overflow vulnerability when parsing malicious mach0 files.