CVEvulnerability
CVE-2026-2858
1.9 LOW
Official page ↗
- Status
- Analyzed
- Published
- 2026-02-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 1.9 LOW — 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 3.3 LOW — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CVSS 3.1 ([email protected])
- 7.1 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- CVSS 2.0 ([email protected])
- 1.7 LOW — AV:L/AC:L/Au:S/C:N/I:N/A:P
- Weaknesses
- CWE-119, CWE-125
Description
A vulnerability was identified in wren-lang wren up to 0.4.0. This affects the function peekChar of the file src/vm/wren_compiler.c of the component Source File Parser. Such manipulation leads to out-of-bounds read. The attack needs to be performed locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Affected configurations
• wren wren (<= 0.4.0)
Related
References
- https://github.com/oneafter/0122/blob/main/i1217/repro Issue Tracking, Product
- https://github.com/wren-lang/wren/ Product
- https://github.com/wren-lang/wren/issues/1217 Issue Tracking
- https://vuldb.com/?ctiid.347097 Permissions Required, VDB Entry
- https://vuldb.com/?id.347097 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.754489 Third Party Advisory, VDB Entry