A vulnerability has been found in wren-lang wren up to 0.4.0. Affected by this issue is the function getByteCountForArguments of the file src/vm/wren_compiler.c. Such manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 05 Mar 2026 02:00:00 +0000

Type Values Removed Values Added
First Time appeared Wren
Wren wren
CPEs cpe:2.3:a:wren:wren:*:*:*:*:*:*:*:*
Vendors & Products Wren
Wren wren

Mon, 02 Mar 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 02 Mar 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Wren-lang
Wren-lang wren
Vendors & Products Wren-lang
Wren-lang wren

Sun, 01 Mar 2026 10:00:00 +0000

Type Values Removed Values Added
Description A vulnerability has been found in wren-lang wren up to 0.4.0. Affected by this issue is the function getByteCountForArguments of the file src/vm/wren_compiler.c. Such manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Title wren-lang wren wren_compiler.c getByteCountForArguments null pointer dereference
Weaknesses CWE-404
CWE-476
References
Metrics cvssV2_0

{'score': 1.7, 'vector': 'AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.3, 'vector': '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'}

cvssV3_1

{'score': 3.3, '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'}

cvssV4_0

{'score': 4.8, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-03-02T19:35:15.992Z

Reserved: 2026-02-28T14:49:59.570Z

Link: CVE-2026-3387

cve-icon Vulnrichment

Updated: 2026-03-02T19:35:12.607Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-01T10:16:00.863

Modified: 2026-03-05T01:50:58.183

Link: CVE-2026-3387

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-02T12:04:07Z

Weaknesses