High severity7.8NVD Advisory· Published Nov 14, 2021· Updated Jun 17, 2026
CVE-2021-43390
CVE-2021-43390
Description
An Out-of-Bounds Write vulnerability exists when reading a DGN file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DGN files. Crafted data in a DGN file and lack of proper validation of input data can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
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Affected products
2- Open Design Alliance/Drawings SDKdescription
- Range: <2022.11
Patches
Vulnerability mechanics
References
4- www.opendesign.com/security-advisoriesnvdVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-21-1347/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-21-1348/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-21-1362/nvdThird Party AdvisoryVDB Entry
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