OSV-2021-771

Heap-use-after-free in dwg_free_TABLEGEOMETRY_private

No scoreFix available

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34377

Crash type: Heap-use-after-free READ 8
Crash state:
dwg_free_TABLEGEOMETRY_private
dwg_free_TABLEGEOMETRY
dwg_free_variable_no_class

What each source reports

OSV No score

Heap-use-after-free in dwg_free_TABLEGEOMETRY_private

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34377

Crash type: Heap-use-after-free READ 8
Crash state:
dwg_free_TABLEGEOMETRY_private
dwg_free_TABLEGEOMETRY
dwg_free_variable_no_class

Record: OSV-2021-771
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`libredwg` OSS-Fuzz	Listed versions, plus commit ranges 0.12.3.41630.12.3.41650.12.3.41670.12.3.41730.12.3.4176 Show 45 moreShow less 0.12.3.41780.12.3.41800.12.3.41850.12.3.41890.12.3.41910.12.3.41940.12.3.42010.12.3.42030.12.3.42060.12.3.42190.12.3.42210.12.3.42290.12.3.42310.12.3.42440.12.3.42480.12.3.42500.12.3.42530.12.3.42610.12.3.42640.12.3.42670.12.3.42700.12.3.42730.12.3.42800.12.40.12.4.42870.12.4.42880.12.4.42960.12.4.42980.12.4.43000.12.4.43020.12.4.43070.12.4.43130.12.4.43170.12.4.43210.12.4.43240.12.4.43310.12.4.43380.12.4.43430.12.4.43480.12.4.43620.12.4.43640.12.4.43670.12.4.43680.12.4.43750.12.4.4378	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

OSV-2021-771 is a vulnerability with no CVSS score yet in libredwg, published May 18, 2021. No source lists public exploit code. A source reports a fix.

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=34377

This page doesn't list everything

Left out here: 20 versions. The JSON record has them.