Integer Overflow Vulnerability in radareorg radare2 Software
CVE-2026-14761

4.8MEDIUM

Key Information:

Vendor

Radareorg

Status
Radare2
Vendor
CVE Published:
5 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-14761?

A security vulnerability has been identified in the radareorg radare2 software, specifically within the functions r_str_ndup and r_str_append in the code file libr/util/str.c. This issue is characterized by an integer overflow which may be exploited through local attack vectors. Public disclosure of the exploit has occurred, necessitating immediate attention. Users are strongly advised to implement the recommended patch, identified as a20a56917ae85d732e683f8d9078bdcfee92446c, to mitigate potential risks associated with this vulnerability.

Affected Version(s)

radare2 6.1.0

radare2 6.1.1

radare2 6.1.2

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.

CVE-2026-14761 - Proof of Concept

References

https://vuldb.com/vuln/376350
vdb-entrytechnical-description
https://vuldb.com/vuln/376350/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-14761
third-party-advisory

CVSS V4

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

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kery Qi (VulDB User)
.