CVE-2026-2657 (GCVE-0-2026-2657)
Vulnerability from cvelistv5 – Published: 2026-02-18 16:32 – Updated: 2026-02-23 10:18
VLAI
EPSS
VEX
Title
wren-lang wren Error Message wren_compiler.c printError stack-based overflow
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-18 17:53 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.346455 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.346455 | signaturepermissions-required |
| https://vuldb.com/?submit.752791 | third-party-advisory |
| https://github.com/wren-lang/wren/issues/1221 | issue-tracking |
| https://github.com/oneafter/0122/blob/main/i1221/repro | exploit |
| https://github.com/wren-lang/wren/ | product |
Impacted products
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.