Vulnerability in Tarantool
CVE-2025-6536
A vulnerability has been found in Tarantool up to 3.3.1 and classified as problematic. Affected by this vulnerability is the function tm_to_datetime in the library src/lib/core/datetime.c. The manipulation leads to reachable assertion. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (6.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Tarantool — versions 3.3.0, 3.3.1
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/tarantool/tarantool/issues/11347 (issue-tracking)
- github.com/user-attachments/files/19613858/tarantool_crash.txt (exploit)
Frequently asked questions
- What is CVE-2025-6536?
- CVE-2025-6536 is a low-severity vulnerability in Tarantool, classified under Reachable Assertion. CVSS score: 3.3/10. Published 2025-06-24.
- How severe is CVE-2025-6536?
- Low severity. CVSS v3 base score is 3.3 out of 10.