CVE-2025-3277 in SQLite 3.46.*
An integer overflow can be triggered in SQLite’s `concat_ws()` function. The resulting, truncated integer is then used to allocate a buffer. When SQLite then writes the resulting string to the buffer, it uses the original, untruncated size and thus a wild Heap Buffer overflow of size ~4GB can be triggered. This can result in arbitrary code execution.
- Severity
- Critical 9.8
- Exploitation
-
1% chance of exploit
in the next 30 days - Fix
- Update to 3.49.1
- Where
- Test dependency
- How it matched
- Version line match
- First seen
- 2026-11-05 01:13:58 UTC
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-3277