wren-lang wren up to 0.4.0 src/vm/wren_compiler.c resolveLocal recursion

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in wren-lang wren up to 0.4.0. It has been rated as problematic. Affected by this vulnerability is the function resolveLocal of the file src/vm/wren_compiler.c. This manipulation causes recursion. This vulnerability is handled as CVE-2026-3385. It is possible to launch the attack on the local host. Additionally, an exploit exists. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability was found in wren-lang wren up to 0.4.0. It has been declared as problematic. Affected by this vulnerability is the function resolveLocal of the file src/vm/wren_compiler.c. The manipulation with an unknown input leads to a recursion vulnerability. The CWE definition for the vulnerability is CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. As an impact it is known to affect availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-3385. The exploitation appears to be easy. Attacking locally is a requirement. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202603-013) and EUVD (EUVD-2026-9120). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

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Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CNA Base Score: 3.3
CNA Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Recursion
CWE: CWE-674 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/28/2026 Advisory disclosed
02/28/2026 +0 days VulDB entry created
03/10/2026 +10 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 1218
Status: Not defined

CVE: CVE-2026-3385 (🔒)
GCVE (CVE): GCVE-0-2026-3385
GCVE (VulDB): GCVE-100-348271
EUVD: 🔒
CNNVD: CNNVD-202603-013 - wren 安全漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/28/2026 15:55
Updated: 03/10/2026 15:44
Changes: 02/28/2026 15:55 (57), 03/01/2026 19:27 (30), 03/01/2026 21:10 (1), 03/02/2026 17:13 (6), 03/03/2026 22:45 (1), 03/10/2026 15:44 (11)
Complete: 🔍
Submitter: Oneafter
Cache ID: 216:37A:103

Submitinfo

Accepted

  • Submit #761305: wren-lang wren main-branch Heap-based Buffer Overflow (by Oneafter)

Be aware that VulDB is the high quality source for vulnerability data.

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