Assertion Vulnerability in Tarantool Library Affecting Multiple Versions
CVE-2025-6536

4.8MEDIUM

Key Information:

Vendor

Tarantool

Status
Tarantool
Vendor
CVE Published:
24 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6536?

A vulnerability exists in the Tarantool library's tm_to_datetime function, located in src/lib/core/datetime.c, that allows for a reachable assertion under certain conditions. This issue requires local access for exploitation and poses potential threats as the details have been disclosed publicly. Affected users should prioritize reviewing this function for potential impacts on their systems.

Affected Version(s)

Tarantool 3.3.0

Tarantool 3.3.1

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-2025-6536 - Proof of Concept

References

https://vuldb.com/?id.313663
vdb-entrytechnical-description
https://vuldb.com/?ctiid.313663
signaturepermissions-required
https://vuldb.com/?submit.597454
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

JJLeo (VulDB User)
.
CVE-2025-6536 : Assertion Vulnerability in Tarantool Library Affecting Multiple Versions