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 is vulnerable to stack based buffer overflow while parsing specially crafted JT files. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-14903)

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-44435
• https://cert-portal.siemens.com/productcert/pdf/ssa-802578.pdf