CVE-2026-45613 Rizin: Heap-buffer-overflow in OMF parser
A heap-buffer-overflow in the OMF parser allows attackers to execute arbitrary code or cause denial of service via crafted binaries.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-45613?
CVE-2026-45613 is a low-severity memory corruption 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 heap-buffer-overflow in librz/bin/format/omf/omf.c. This vulnerability is fixed by commit e6d0937c8a083e23ed76ccfb9f631cdc50c7af47.
Weakness: CWE-125
Which versions are affected by CVE-2026-45613?
How do I fix CVE-2026-45613?
No fix has been published for CVE-2026-45613 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-45613 being exploited?
There is no known exploitation of CVE-2026-45613 in the wild and no public exploit code.
Sources
Also known as GHSA-wprr-wrcw-mw6v.