CVE-2026-2655

Summary

A vulnerability was detected in ChaiScript up to 6.1.0. The impacted element is the function chaiscript::str_less::operator of the file include/chaiscript/chaiscript_defines.hpp. The manipulation results in use after free. The attack requires a local approach. The attack requires a high level of complexity. The exploitability is regarded as difficult. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected Software

Weaknesses

• CWE-416: Use After Free
• CWE-119: Memory Corruption

ADP Enrichment

CISA ADP Vulnrichment

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

Additional References

• https://github.com/ChaiScript/ChaiScript/issues/632

References

• https://vuldb.com/?id.346453
• https://vuldb.com/?ctiid.346453
• https://vuldb.com/?submit.752788
• https://github.com/ChaiScript/ChaiScript/issues/632
• https://github.com/ChaiScript/ChaiScript/issues/632#issue-3827824936
• https://github.com/ChaiScript/ChaiScript/

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