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CVE PROGRAM SOURCE RECORD4.8 Medium

CVE-2026-2858

wren-lang wren Source File wren_compiler.c peekChar out-of-bounds

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

wren-lang wren

  • 0.1affected
  • 0.2affected
  • 0.3affected
  • 0.4.0affected

References