Gnu Libredwg vulnerabilities

CVE-2026-9605 [HIGH] CWE-119 CVE-2026-9605: A flaw has been found in GNU libredwg up to 0.13.4.8160. This issue affects the function bit_read_RC A flaw has been found in GNU libredwg up to 0.13.4.8160. This issue affects the function bit_read_RC of the file bits.c of the component Dwgbmp Utility. This manipulation causes heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: 8f03865f37f5d4ffd616fef802acc980be54d3

CVE-2020-21844 [HIGH] CVE-2020-21844: GNU LibreDWG 0.10 is affected by: memcpy-param-overlap. The impact is: execute arbitrary code (remot GNU LibreDWG 0.10 is affected by: memcpy-param-overlap. The impact is: execute arbitrary code (remote). The component is: read_2004_section_header ../../src/decode.c:2580.

CVE-2021-28237 [CRITICAL] CWE-787 CVE-2021-28237: LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13. LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.

CVE-2019-9775 [CRITICAL] CWE-125 CVE-2019-9775: An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is an out-of-bounds read in the func An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is an out-of-bounds read in the function dwg_dxf_BLOCK_CONTROL at dwg.spec.

CVE-2019-9774 [CRITICAL] CWE-125 CVE-2019-9774: An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is an out-of-bounds read in the func An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is an out-of-bounds read in the function bit_read_B at bits.c.

CVE-2020-21816 [HIGH] CWE-787 CVE-2020-21816: A heab based buffer overflow issue exists in GNU LibreDWG 0.10.2641 via htmlescape ../../programs/es A heab based buffer overflow issue exists in GNU LibreDWG 0.10.2641 via htmlescape ../../programs/escape.c:46.

CVE-2021-36080 [HIGH] CWE-415 CVE-2021-36080: GNU LibreDWG 0.12.3.4163 through 0.12.3.4191 has a double-free in bit_chain_free (called from dwg_en GNU LibreDWG 0.12.3.4163 through 0.12.3.4191 has a double-free in bit_chain_free (called from dwg_encode_MTEXT and dwg_encode_add_object).

CVE-2019-20912 [HIGH] CWE-787 CVE-2019-20912: An issue was discovered in GNU LibreDWG through 0.9.3. Crafted input will lead to a stack overflow i An issue was discovered in GNU LibreDWG through 0.9.3. Crafted input will lead to a stack overflow in bits.c, possibly related to bit_read_TF.

CVE-2020-21832 [HIGH] CWE-787 CVE-2020-21832: A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_compressed_sect A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2417.

CVE-2020-21842 [HIGH] CWE-787 CVE-2020-21842: A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_revhist A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_revhistory ../../src/decode.c:3051.

CVE-2020-21818 [HIGH] CWE-787 CVE-2020-21818: A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10.2641 via htmlescape ../../pro A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10.2641 via htmlescape ../../programs/escape.c:48.

CVE-2020-21836 [HIGH] CWE-787 CVE-2020-21836: A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_preview A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_preview ../../src/decode.c:3175.

CVE-2020-21831 [HIGH] CWE-787 CVE-2020-21831: A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_handles A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_handles ../../src/decode.c:2637.

CVE-2020-21819 [HIGH] CWE-787 CVE-2020-21819: A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10.2641via htmlescape ../../prog A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10.2641via htmlescape ../../programs/escape.c:51.

CVE-2020-21814 [HIGH] CWE-787 CVE-2020-21814: A heap based buffer overflow issue exists in GNU LibreDWG 0.10.2641 via htmlwescape ../../programs/e A heap based buffer overflow issue exists in GNU LibreDWG 0.10.2641 via htmlwescape ../../programs/escape.c:97.

CVE-2021-42586 [HIGH] CWE-787 CVE-2021-42586: A heap buffer overflow was discovered in copy_bytes in decode_r2007.c in dwgread before 0.12.4 via a A heap buffer overflow was discovered in copy_bytes in decode_r2007.c in dwgread before 0.12.4 via a crafted dwg file.

CVE-2021-42585 [HIGH] CWE-787 CVE-2021-42585: A heap buffer overflow was discovered in copy_compressed_bytes in decode_r2007.c in dwgread before 0 A heap buffer overflow was discovered in copy_compressed_bytes in decode_r2007.c in dwgread before 0.12.4 via a crafted dwg file.

CVE-2023-36271 [HIGH] CWE-787 CVE-2023-36271: LibreDWG v0.10 to v0.12.5 was discovered to contain a heap buffer overflow via the function bit_wcs2 LibreDWG v0.10 to v0.12.5 was discovered to contain a heap buffer overflow via the function bit_wcs2nlen at bits.c.

CVE-2023-36274 [HIGH] CWE-787 CVE-2023-36274: LibreDWG v0.11 to v0.12.5 was discovered to contain a heap buffer overflow via the function bit_writ LibreDWG v0.11 to v0.12.5 was discovered to contain a heap buffer overflow via the function bit_write_TF at bits.c.

CVE-2023-36272 [HIGH] CWE-787 CVE-2023-36272: LibreDWG v0.10 to v0.12.5 was discovered to contain a heap buffer overflow via the function bit_utf8 LibreDWG v0.10 to v0.12.5 was discovered to contain a heap buffer overflow via the function bit_utf8_to_TU at bits.c.