CVE-2021-34305

A vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The Gif_loader.dll library in affected applications lacks proper validation of user-supplied data when parsing GIF files. This could result in an out of bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13340)

• CWE-787
• CWE-20
• CWE-787

• https://cert-portal.siemens.com/productcert/pdf/ssa-483182.pdfVendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-833/Third Party Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-834/Third Party Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-483182.pdfVendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-833/Third Party Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-834/Third Party Advisory

Published

Jul 13, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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