CVE-2026-22780
MEDIUMrizin < 0.8.2 - Heap Overflow via Malicious Mach0 File Parsing
Title source: llmDescription
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.
References (6)
Core 6
Core References
Vendor Advisory x_refsource_confirm
https://github.com/rizinorg/rizin/security/advisories/GHSA-f3v7-xhmj-9cjj
Issue Tracking x_refsource_misc
https://github.com/rizinorg/rizin/issues/5768
Issue Tracking x_refsource_misc
https://github.com/rizinorg/rizin/pull/5770
Patch x_refsource_misc
https://github.com/rizinorg/rizin/commit/41ea75d5b07d9b41b27ae80675cdda65f1b1c989
Various Sources x_refsource_misc
https://github.com/rizinorg/rizin/blob/6dd0dba9ff4dc706f549d0cdcd93856b49e59aa0/librz/bin/format/mach0/mach0_chained_fixups.c#L200
Release Notes x_refsource_misc
https://github.com/rizinorg/rizin/releases/tag/v0.8.2
Scores
CVSS v3
4.4
EPSS
0.0018
EPSS Percentile
7.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (1)
rizin/rizin
< 0.8.2
Published
Feb 02, 2026
Tracked Since
Feb 18, 2026