CVE-2021-43273

An Out-of-bounds Read vulnerability exists in the DGN file reading procedure in Open Design Alliance Drawings SDK before 2022.11. Crafted data in a DGN file and lack of verification of input data can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

• CWE-125

• https://www.opendesign.com/security-advisoriesVendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-1281/Third Party Advisory, VDB Entry
• https://www.zerodayinitiative.com/advisories/ZDI-21-1291/Third Party Advisory, VDB Entry
• https://www.zerodayinitiative.com/advisories/ZDI-21-1351/Third Party Advisory, VDB Entry
• https://www.zerodayinitiative.com/advisories/ZDI-21-1357/Third Party Advisory, VDB Entry
• https://www.opendesign.com/security-advisoriesVendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-1281/Third Party Advisory, VDB Entry
• https://www.zerodayinitiative.com/advisories/ZDI-21-1291/Third Party Advisory, VDB Entry
• https://www.zerodayinitiative.com/advisories/ZDI-21-1351/Third Party Advisory, VDB Entry
• https://www.zerodayinitiative.com/advisories/ZDI-21-1357/Third Party Advisory, VDB Entry

Published

Nov 14, 2021

Last Modified

Jun 17, 2026

Status

Modified

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