CVE-2026-2858

Summary

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 Software

Weaknesses

• CWE-125: Out-of-Bounds Read
• CWE-119: Memory Corruption

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://vuldb.com/?id.347097
• https://vuldb.com/?ctiid.347097
• https://vuldb.com/?submit.754489
• https://github.com/wren-lang/wren/issues/1217
• https://github.com/oneafter/0122/blob/main/i1217/repro
• https://github.com/wren-lang/wren/

• ←Previous
• Next→