CVE-2026-45324 Rizin: Double free in cmd_search.c
A double free vulnerability in Rizin's byte pattern search allows attackers to potentially execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-45324?
CVE-2026-45324 is a low-severity use after free vulnerability in rizinorg rizin, published on 29 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Rizin is a UNIX-like reverse engineering framework and command-line toolset. There is a double free in librz/core/cmd/cmd_search.c:byte_pattern_search() due wrong pointer ownership declared. This vulnerability is fixed by commit 045fff363b42b8a6dda8ad5229c29ec3267e7dbe.
Weakness: CWE-415
Which versions are affected by CVE-2026-45324?
How do I fix CVE-2026-45324?
No fix has been published for CVE-2026-45324 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-45324 being exploited?
There is no known exploitation of CVE-2026-45324 in the wild and no public exploit code.
Sources
Also known as GHSA-2377-chx7-xf7c.