CVE-2026-22780

medium

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.

References

https://github.com/rizinorg/rizin/security/advisories/GHSA-f3v7-xhmj-9cjj

https://github.com/rizinorg/rizin/releases/tag/v0.8.2

https://github.com/rizinorg/rizin/pull/5770

https://github.com/rizinorg/rizin/issues/5768

https://github.com/rizinorg/rizin/commit/41ea75d5b07d9b41b27ae80675cdda65f1b1c989

https://github.com/rizinorg/rizin/blob/6dd0dba9ff4dc706f549d0cdcd93856b49e59aa0/librz/bin/format/mach0/mach0_chained_fixups.c#L200

Details

Source: Mitre, NVD

Published: 2026-02-02

Updated: 2026-02-20

Risk Information

CVSS v2

Base Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:C

Severity: Medium

CVSS v3

Base Score: 6.1

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

Severity: Medium

EPSS

EPSS: 0.00004