CVE-2026-9504 | GNU LibreDWG up to 0.14 Dwggrep Utility programs/dwggrep.c bit_convert_TU out-of-bounds (Issue 1246)

A vulnerability, which was classified as problematic, has been found in GNU LibreDWG up to 0.14. Affected is the function bit_convert_TU of the file programs/dwggrep.c of the component Dwggrep Utility. This manipulation causes out-of-bounds read.

This vulnerability is registered as CVE-2026-9504. The attack needs to be launched locally. Furthermore, an exploit is available.

Applying a patch is the recommended action to fix this issue.