CVE-2026-22780— Rizin has a heap overflow on mach0_chained_fixups.c
Quick assessment
Affected
rizinorg rizin
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Rizin是Rizin组织的一个免费的开源逆向工程框架。用于分析二进制文件、反汇编代码、调试程序、作为取证工具、作为能够打开磁盘文件的可编写脚本的命令行十六进制编辑器等等。 Rizin 0.8.2之前版本存在安全漏洞，该漏洞源于解析恶意mach0文件时存在堆溢出。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-22780
Vulnerability Information
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Vulnerability Title
Rizin has a heap overflow on mach0_chained_fixups.c
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Rizin 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rizin是Rizin组织的一个免费的开源逆向工程框架。用于分析二进制文件、反汇编代码、调试程序、作为取证工具、作为能够打开磁盘文件的可编写脚本的命令行十六进制编辑器等等。 Rizin 0.8.2之前版本存在安全漏洞，该漏洞源于解析恶意mach0文件时存在堆溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-22780
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Patches & Fixes for CVE-2026-22780 (1)
Other References for CVE-2026-22780 (1)
IV. Related Vulnerabilities
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Same weakness: CWE-770
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V. Comments for CVE-2026-22780
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