CVE-2026-2657

A vulnerability has been found in wren-lang wren up to 0.4.0. This impacts the function printError of the file src/vm/wren_compiler.c of the component Error Message Handler. Such manipulation leads to stack-based buffer overflow. An attack has to be approached locally. 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.

CVSS v3 3.3 LOW
CVSS v2.0 1.7 LOW

3.3^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.8 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

1.7^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 3.1 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/oneafter/0122/blob/main/i1221/repro	Exploit
https://github.com/wren-lang/wren/	Product
https://github.com/wren-lang/wren/issues/1221	Exploit Vendor Advisory
https://vuldb.com/?ctiid.346455	Third Party Advisory VDB Entry
https://vuldb.com/?id.346455	Third Party Advisory VDB Entry
https://vuldb.com/?submit.752791	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:wren:wren:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-02-18 17:21

Updated : 2026-02-20 20:07

NVD link : CVE-2026-2657

Mitre link : CVE-2026-2657

CVE.ORG link : CVE-2026-2657

JSON object : View

Products Affected

wren

wren

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

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