CVE-2026-3385
wren-lang wren wren_compiler.c resolveLocal recursion
- State
- Published
- Severity
- 4.8 Medium
- Published
- Mar 1, 2026
- Updated
- Mar 2, 2026
- Reserved
- Feb 28, 2026
Description
A vulnerability was detected in wren-lang wren up to 0.4.0. Affected is the function resolveLocal of the file src/vm/wren_compiler.c. The manipulation results in uncontrolled recursion. Attacking locally is a requirement. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 3.3 Low | 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 | VulDB |
| 3.0 | 3.3 Low | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 1.7 Low | AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
wrenwren-lang |
|
References
- VDB-348271 | wren-lang wren wren_compiler.c resolveLocal recursionvdb-entrytechnical-description
- VDB-348271 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #761305 | wren-lang wren main-branch Heap-based Buffer Overflowthird-party-advisory
- https://github.com/wren-lang/wren/issues/1218issue-tracking
- https://github.com/oneafter/0122/blob/main/i1218/reproexploit
- https://github.com/wren-lang/wren/product
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.