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6.9
CVE-2026-12216: Duktape (up to 2.99.99) allows local memory corruption
CVE-2026-12216 · published 4 months ago
Summary
A security issue has been found in Duktape, a software library used in some applications. This issue could allow an attacker with local access to the system to corrupt memory, potentially leading to crashes or other problems. We recommend that users of Duktape update to a fixed version as soon as possible.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Debian:11 | debian | duktape | All versions |
| Debian:12 | debian | duktape | All versions |
| Debian:13 | debian | duktape | All versions |
| Debian:14 | debian | duktape | All versions |
| Ubuntu:18.04:LTS | canonical | duktape | All versions |
| Ubuntu:20.04:LTS | canonical | duktape | All versions |
| Ubuntu:22.04:LTS | canonical | duktape | All versions |
| Ubuntu:24.04:LTS | canonical | duktape | All versions |
| Ubuntu:25.10 | canonical | duktape | All versions |
| Ubuntu:26.04:LTS | canonical | duktape | All versions |
Original advisory text
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...
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.
References
- https://vuldb.com/cve/CVE-2026-12216
- https://vuldb.com/submit/833814
- https://vuldb.com/vuln/370859
- https://vuldb.com/vuln/370859/cti
- https://security-tracker.debian.org/tracker/CVE-2026-12216 Vendor Advisory
- https://ubuntu.com/security/CVE-2026-12216 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2026-12216 Third Party Advisory
- https://github.com/hmKunlun/compileOOB/blob/main/api_bytecode.md Third Party Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Severity
6.9
Medium
Type
CWE-119Buffer Overflow
Timeline
Published15 Jun 2026
Updated26 Oct 2026
First seen15 Jun 2026
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