CVE-2026-22780

Name: CVE-2026-22780
Creator: NVD / NIST
Published: 2026-02-02T23:16:06.87+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2026-22780 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.18%

7.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Rizin	Rizin	< 0.8.2

References

https://github.com/rizinorg/rizin/blob/6dd0dba9ff4dc706f549d0cdcd93856b49e59aa0/librz/bin/format/mach0/mach0_chained_fixups.c#L200Patch
https://github.com/rizinorg/rizin/commit/41ea75d5b07d9b41b27ae80675cdda65f1b1c989Patch
https://github.com/rizinorg/rizin/issues/5768Issue Tracking
https://github.com/rizinorg/rizin/pull/5770Issue Tracking
https://github.com/rizinorg/rizin/releases/tag/v0.8.2Product, Release Notes
https://github.com/rizinorg/rizin/security/advisories/GHSA-f3v7-xhmj-9cjjPatch, Vendor Advisory

Timeline

Published: Feb 2, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-22780?

How severe is CVE-2026-22780?

CVE-2026-22780 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2026-22780?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-22780?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST