CVE-2026-12216
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk2th percentile — higher than 2% of all known CVEs
Summary
A weakness has been identified in svaarala duktape up to version 2.99.99, affecting some unknown processing of the file duk_api_bytecode.c. Manipulating the argument count_instr can lead to memory corruption.
Risk Assessment
The attack requires local access; however, publicly available exploits could be used for attacks, posing a threat to systems using this library.
Recommendation
It is recommended to update to the latest version of duktape and to restrict local access to systems where this library is used.
Original NVD description (English source)
A weakness has been identified in svaarala duktape up to 2.99.99. This issue affects some unknown processing of the file duk_api_bytecode.c. Executing a manipulation of the argument count_instr can lead to memory corruption. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

