CVE-2026-22780
Unknown Unknown - Not Provided
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
Rizin is a UNIX-like reverse engineering framework and command-line toolset. Prior to 0.8.2, a heap overflow can be exploited when a malicious mach0 file, having bogus entries for the dyld chained segments, is parsed by rizin. This vulnerability is fixed in 0.8.2.
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Meta Information
Published
2026-02-02
Last Modified
2026-02-20
Generated
2026-06-16
AI Q&A
2026-02-03
EPSS Evaluated
2026-06-15
NVD
CVE-2026-22780
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
rizin rizin to 0.8.2 (exc)
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Exploitability
CWE
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KEV
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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.
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Executive Summary

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.

Impact Analysis

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.

Mitigation Strategies

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.

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