Stack-based Buffer Overflow in radareorg radare2 Affected by Memory64ListStream Parser
CVE-2026-14789

4.8MEDIUM

Key Information:

Vendor

Radareorg

Status
Radare2
Vendor
CVE Published:
6 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-14789?

A stack-based buffer overflow vulnerability has been identified in the radareorg radare2 tool, specifically within the Memory64ListStream Parser of the libr/bin/format/mdmp/mdmp.c component. This vulnerability arises from improper handling of inputs, allowing an attacker with local access to manipulate memory operations and potentially execute arbitrary code. As of now, the exploit is publicly available, emphasizing the urgent need for users to apply the provided patch (commit 175d4addb68981331c85b10681c2161c38fb5762) to mitigate the risk.

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-2026-14789 - Proof of Concept

References

https://vuldb.com/vuln/376378
vdb-entry
https://vuldb.com/vuln/376378/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-14789
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)
.