svaarala duktape duk_api_bytecode.c memory corruption
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| svaarala | duktape | 2.99.0; 2.99.1; 2.99.2; 2.99.3; 2.99.4; 2.99.5; 2.99.6; 2.99.7; 2.99.8; 2.99.9; 2.99.10; 2.99.11; 2.99.12; 2.99.13; 2.99.14; 2.99.15; 2.99.16; 2.99.17; 2.99.18; 2.99.19; 2.99.20; 2.99.21; 2.99.22; 2.99.23; 2.99.24; 2.99.25; 2.99.26; 2.99.27; 2.99.28; 2.99.29; 2.99.30; 2.99.31; 2.99.32; 2.99.33; 2.99.34; 2.99.35; 2.99.36; 2.99.37; 2.99.38; 2.99.39; 2.99.40; 2.99.41; 2.99.42; 2.99.43; 2.99.44; 2.99.45; 2.99.46; 2.99.47; 2.99.48; 2.99.49; 2.99.50; 2.99.51; 2.99.52; 2.99.53; 2.99.54; 2.99.55; 2.99.56; 2.99.57; 2.99.58; 2.99.59; 2.99.60; 2.99.61; 2.99.62; 2.99.63; 2.99.64; 2.99.65; 2.99.66; 2.99.67; 2.99.68; 2.99.69; 2.99.70; 2.99.71; 2.99.72; 2.99.73; 2.99.74; 2.99.75; 2.99.76; 2.99.77; 2.99.78; 2.99.79; 2.99.80; 2.99.81; 2.99.82; 2.99.83; 2.99.84; 2.99.85; 2.99.86; 2.99.87; 2.99.88; 2.99.89; 2.99.90; 2.99.91; 2.99.92; 2.99.93; 2.99.94; 2.99.95; 2.99.96; 2.99.97; 2.99.98; 2.99.99 | — | No fix listed | CNA |
- duktape Vendorsvaarala Affected 2.99.0; 2.99.1; 2.99.2; 2.99.3; 2.99.4; 2.99.5; 2.99.6; 2.99.7; 2.99.8; 2.99.9; 2.99.10; 2.99.11; 2.99.12; 2.99.13; 2.99.14; 2.99.15; 2.99.16; 2.99.17; 2.99.18; 2.99.19; 2.99.20; 2.99.21; 2.99.22; 2.99.23; 2.99.24; 2.99.25; 2.99.26; 2.99.27; 2.99.28; 2.99.29; 2.99.30; 2.99.31; 2.99.32; 2.99.33; 2.99.34; 2.99.35; 2.99.36; 2.99.37; 2.99.38; 2.99.39; 2.99.40; 2.99.41; 2.99.42; 2.99.43; 2.99.44; 2.99.45; 2.99.46; 2.99.47; 2.99.48; 2.99.49; 2.99.50; 2.99.51; 2.99.52; 2.99.53; 2.99.54; 2.99.55; 2.99.56; 2.99.57; 2.99.58; 2.99.59; 2.99.60; 2.99.61; 2.99.62; 2.99.63; 2.99.64; 2.99.65; 2.99.66; 2.99.67; 2.99.68; 2.99.69; 2.99.70; 2.99.71; 2.99.72; 2.99.73; 2.99.74; 2.99.75; 2.99.76; 2.99.77; 2.99.78; 2.99.79; 2.99.80; 2.99.81; 2.99.82; 2.99.83; 2.99.84; 2.99.85; 2.99.86; 2.99.87; 2.99.88; 2.99.89; 2.99.90; 2.99.91; 2.99.92; 2.99.93; 2.99.94; 2.99.95; 2.99.96; 2.99.97; 2.99.98; 2.99.99 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-12216
- 2026-10-03 Alias added: GHSA-3p43-j8hp-v57p
References
Sources
- CVE-2026-12216 · CVE Program
- CVE-2026-12216 · NVD
- FIRST EPSS
- GHSA-3p43-j8hp-v57p · GitHub Advisory Database · CC BY 4.0
- CVE-2026-12216 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences