CVE-2026-22780

low-risk

Published 2026-02-02

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.

Do I need to act?

0.01% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.4/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Rizin

Affected Vendors

Rizin

References (6)

Patch https://github.com/rizinorg/rizin/blob/6dd0dba9ff4dc706f549d0cdcd93856b49e59aa0/...

Patch https://github.com/rizinorg/rizin/commit/41ea75d5b07d9b41b27ae80675cdda65f1b1c98...

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

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

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

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

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low-risk

Severity 15/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal