Rizin has a heap overflow on mach0_chained_fixups.c_CVE-2026-22780

4.4 / 10

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

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.

Basic Information

ID CVE-2026-22780

Source GitHub_M

Published Feb 2, 2026 at 20:52

Affected Product

Vendor rizinorg

Product rizin

Version < 0.8.2

Affected Versions rizinorg rizin < 0.8.2

CWE Classification

CWE-770

References

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    "published": "2026-02-02T20:52:23.859Z",
    "modified": "2026-02-02T20:52:23.859Z",
    "type": "cve",
    "title": "Rizin has a heap overflow on mach0_chained_fixups.c",
    "source": "GitHub_M",
    "references": "https://github.com/rizinorg/rizin/security/advisories/GHSA-f3v7-xhmj-9cjj\nhttps://github.com/rizinorg/rizin/issues/5768\nhttps://github.com/rizinorg/rizin/pull/5770\nhttps://github.com/rizinorg/rizin/commit/41ea75d5b07d9b41b27ae80675cdda65f1b1c989\nhttps://github.com/rizinorg/rizin/blob/6dd0dba9ff4dc706f549d0cdcd93856b49e59aa0/librz/bin/format/mach0/mach0_chained_fixups.c#L200\nhttps://github.com/rizinorg/rizin/releases/tag/v0.8.2",
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