CVE-2026-14789 radareorg radare2 Memory64ListStream mdmp.c stack-based overflow
A stack-based buffer overflow in radare2's Memory64ListStream parser allows local attackers to 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
- Not needed
- Fix
- None listed
What is CVE-2026-14789?
CVE-2026-14789 is a medium-severity memory corruption vulnerability in Radare Radare2, published on 6 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was detected in radareorg radare2 up to 6.1.6. Affected by this issue is some unknown functionality of the file libr/bin/format/mdmp/mdmp.c of the component Memory64ListStream Parser. Performing a manipulation results in stack-based buffer overflow. The attack requires a local approach. The exploit is now public and may be used. The patch is named 175d4addb68981331c85b10681c2161c38fb5762. It is suggested to install a patch to address this issue.
Which versions are affected by CVE-2026-14789?
It affects 1 product.
Products include Radare Radare2.
How do I fix CVE-2026-14789?
No fix has been published for CVE-2026-14789 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-2026-14789 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14789 exists.
Other vulnerabilities in Radare Radare2
Sources
Also known as GHSA-v7rq-pxrj-v6m8, UBUNTU-CVE-2026-14789.