Memory Corruption Vulnerability in Radare2 5.9.9
CVE-2025-5646

2LOW

Key Information:

Vendor

Radareorg

Status
Radare2
Vendor
CVE Published:
5 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5646?

A vulnerability in Radare2 5.9.9 affects the function r_cons_rainbow_free in the /libr/cons/pal.c library, where manipulation of the experimental -T parameter can lead to memory corruption. Although the complexity of exploitation is high, the potential for local attacks remains a concern. It is advised to apply the patch identified as 5705d99cc1f23f36f9a84aab26d1724010b97798 to mitigate risks. Documentation notes that the -T parameter is experimental and may cause crashes, although concerns are less significant unless used with AddressSanitizer (asan).

Affected Version(s)

Radare2 5.9.9

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-2025-5646 - Proof of Concept

References

https://vuldb.com/?id.311134
vdb-entrytechnical-description
https://vuldb.com/?ctiid.311134
signaturepermissions-required
https://vuldb.com/?submit.586923
third-party-advisory

CVSS V4

Score:
2
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

rootsec (VulDB User)
JSON
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