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CVE-2026-3387

LOW

3.3

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.

CVE Details

CVSS v3.1 Score3.3

SeverityLOW

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/1/2026

Last Modified3/5/2026

Sourcenvd

Honeypot Sightings0

Affected Products

wren:wren

Weaknesses (CWE)

CWE-404CWE-476

References

https://github.com/oneafter/0122/blob/main/i1220/repro(cna@vuldb.com)

https://github.com/wren-lang/wren/(cna@vuldb.com)

https://github.com/wren-lang/wren/issues/1220(cna@vuldb.com)

https://vuldb.com/?ctiid.348273(cna@vuldb.com)

https://vuldb.com/?id.348273(cna@vuldb.com)

https://vuldb.com/?submit.761312(cna@vuldb.com)

IOC Correlations

No correlations recorded

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