Vulnerability · Published Jun 24, 2025 · Assigned by VulDB
CVE-2025-6536Tarantool datetime.c tm_to_datetime assertion
Low 3.3
In plain English
A low-severity security flaw in Tarantool. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 92.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | tarantool | no fix listed | DEBIAN-CVE-2025-6536 |
| Debian:13 | tarantool | no fix listed | DEBIAN-CVE-2025-6536 |
| Ubuntu:22.04:LTS | tarantool | no fix listed | UBUNTU-CVE-2025-6536 |
| Ubuntu:24.04:LTS | tarantool | no fix listed | UBUNTU-CVE-2025-6536 |
| Ubuntu:25.10 | tarantool | no fix listed | UBUNTU-CVE-2025-6536 |
Affected products (as reported)
Weakness: CWE-617 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
References
- VDB-313663 | Tarantool datetime.c tm_to_datetime assertion vdb-entry, technical-description
- VDB-313663 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #597454 | tarantool tarantool 3.3.1 (commit 46cc98b) Reachable Assertion third-party-advisory
- https://github.com/tarantool/tarantool/issues/11347 issue-tracking
- https://github.com/user-attachments/files/19613858/tarantool_crash.txt exploit