High severity7.8NVD Advisory· Published Nov 14, 2021· Updated Jun 17, 2026
CVE-2021-43391
CVE-2021-43391
Description
An Out-of-Bounds Read vulnerability exists when reading a DXF file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF files. Crafted data in a DXF file (an invalid dash counter in line types) 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.
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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-21-1352/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-21-1361/nvdThird Party AdvisoryVDB Entry
- cert-portal.siemens.com/productcert/pdf/ssa-491245.pdfnvd
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