VulnerabilityAnalyzed
CVE-2026-2657
A vulnerability has been found in wren-lang wren up to 0.4.0.
LOW 1.9EPSS 0.25%
Does this matter?
Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own.
Description
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 4.0
- 1.9 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.25% probability · 16th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-121
- Affected
- wren/wren
- Source
- cna@vuldb.com
References
- https://github.com/oneafter/0122/blob/main/i1221/reproExploit
- https://github.com/wren-lang/wren/Product
- https://github.com/wren-lang/wren/issues/1221Exploit, Vendor Advisory
- https://vuldb.com/?ctiid.346455Third Party Advisory, VDB Entry
- https://vuldb.com/?id.346455Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.752791Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.