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High severity7.8NVD Advisory· Published Dec 14, 2021· Updated Jun 17, 2026

CVE-2021-44445

CVE-2021-44445

Description

A vulnerability has been identified in JT Utilities (All versions < V13.1.1.0), JTTK (All versions < V11.1.1.0). JTTK library in affected products contains an out of bounds write past the fixed-length heap-based buffer while parsing specially crafted JT files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-15054)

Affected products

4
  • Siemens Foundation/JTTKllm-fuzzy2 versions
    < V11.1.1.0+ 1 more
    • (no CPE)range: < V11.1.1.0
    • (no CPE)range: All versions < V11.1.1.0
  • Siemens Foundation/JT Utilitiesllm-fuzzy2 versions
    < V13.1.1.0+ 1 more
    • (no CPE)range: < V13.1.1.0
    • (no CPE)range: All versions < V13.1.1.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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