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).

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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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