Heap-Based Buffer Overflow in Rizin's UTF-8 Encoder by Rizinorg
CVE-2025-1788

4.8MEDIUM

Key Information:

Vendor

Rizinorg

Status
Vendor
CVE Published:
1 March 2025

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2025-1788?

A critical vulnerability has been identified in Rizin versions up to 0.8.0, affecting the rz_utf8_encode function located in /librz/util/utf8.c. This flaw allows for a heap-based buffer overflow, which an attacker could exploit by executing local code. Given that the exploit has been made public, it is imperative for users of the affected Rizin versions to apply the recommended patches immediately to mitigate potential threats.

Affected Version(s)

rizin 0.1

rizin 0.2

rizin 0.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

wenjusun (VulDB User)
.