CVE-2025-1788 rizinorg rizin utf8.c rz_utf8_encode heap-based overflow

Medium 4.8 Published Updated

A heap-based buffer overflow in the rz_utf8_encode function allows local attackers to execute arbitrary code or cause 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-2025-1788?

CVE-2025-1788 is a medium-severity memory corruption vulnerability in rizinorg rizin, published on 1 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability, which was classified as critical, was found in rizinorg rizin up to 0.8.0. This affects the function rz_utf8_encode in the library /librz/util/utf8.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue.

Weakness: CWE-122, CWE-119

Which versions are affected by CVE-2025-1788?

It affects 1 product.

Products include Rizin Rizin.

How do I fix CVE-2025-1788?

No fix has been published for CVE-2025-1788 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-2025-1788 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-1788 exists.

Sources

Also known as GHSA-ppmj-p8ww-6rv3.

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