Gnu Libredwg vulnerabilities

CVE-2026-111167 Medium · 6.1 CWE-125 Oct 15, 2026

GNU LibreDWG through 0.14.8612 Out-of-Bounds Read in acds_private AcDs Decoder

GNU LibreDWG through 0.14.8612 contains a global out-of-bounds read vulnerability in the AcDs decoder acds_private() that allows attackers to read beyond a static table via an unchecked schema property type index. Attackers can supply a crafted R2004 or R2010+ DWG file with a large 'schdat' property type value to crash dwgread, dwg2dxf, or any application using LibreDWG.

CVE-2026-9605 High · 7.3 CWE-119 May 26, 2026

GNU libredwg Dwgbmp Utility bits.c bit_read_RC heap-based overflow

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: 8f03865f37f5d4ffd616fef802acc980be54d300. Applying a patch is the recommended action to fix this issue.

CVE-2026-9530 Low · 3.3 CWE-119 May 26, 2026

GNU LibreDWG Dwgbmp Utility decode.c read_2004_compressed_section out-of-bounds

A weakness has been identified in GNU LibreDWG up to 0.14. The impacted element is the function read_2004_compressed_section of the file src/decode.c of the component Dwgbmp Utility. Executing a manipulation can lead to out-of-bounds read. The attack requires local access. The exploit has been made available to the public and could be used for attacks. This patch is called 8f03865f37f5d4ffd616fef802acc980be54d300. It is advisable to implement a patch to correct this issue.

CVE-2026-9529 Low · 3.3 CWE-404 May 26, 2026

GNU LibreDWG Dwggrep Utility dwggrep.c match_BLOCK_HEADER null pointer dereference

A security flaw has been discovered in GNU LibreDWG up to 0.14. The affected element is the function match_BLOCK_HEADER of the file dwggrep.c of the component Dwggrep Utility. Performing a manipulation results in null pointer dereference. The attack requires a local approach. The exploit has been released to the public and may be used for attacks.

CVE-2026-9504 Low · 3.3 CWE-119 May 25, 2026

GNU LibreDWG Dwggrep Utility dwggrep.c bit_convert_TU out-of-bounds

A weakness has been identified 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. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. Patch name: be996bf2178a40e98720f18c2414815d244413db. Applying a patch is the recommended action to fix this issue.

CVE-2026-9503 Low · 3.3 CWE-404 May 25, 2026

GNU LibreDWG DWG File decode.c dwg_next_entity null pointer dereference

A security flaw has been discovered in GNU LibreDWG up to 0.14. This impacts the function dwg_next_entity of the file src/decode.c of the component DWG File Handler. The manipulation results in null pointer dereference. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is identified as 8f03865f37f5d4ffd616fef802acc980be54d300. Upgrading the affected component is advised.

CVE-2026-9502 Medium · 5.3 CWE-119 May 25, 2026

GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section heap-based overflow

A vulnerability was identified in GNU LibreDWG up to 0.14. This affects the function decompress_R2004_section of the file src/decode.c of the component Dwgread Utility. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. The identifier of the patch is e501cb9926c1e9a07a0d1cc997f3e69e9be801c9. To fix this issue, it is recommended to deploy a patch.

CVE-2026-9501 Low · 3.3 CWE-617 May 25, 2026

GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section assertion

A vulnerability was determined in GNU LibreDWG up to 0.14. The impacted element is the function decompress_R2004_section of the file src/decode.c of the component Dwgread Utility. Executing a manipulation can lead to reachable assertion. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called e501cb9926c1e9a07a0d1cc997f3e69e9be801c9. A patch should be applied to remediate this issue.

CVE-2026-9500 Medium · 5.3 CWE-119 May 25, 2026

GNU LibreDWG Dwgread Utility decode.c read_2004_compressed_section heap-based overflow

A vulnerability was found in GNU LibreDWG up to 0.14. The affected element is the function read_2004_compressed_section of the file src/decode.c of the component Dwgread Utility. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

CVE-2025-61154 Medium · 6.5 CWE-122 Mar 12, 2026

Heap-based Buffer Overflow in Gnu Libredwg

Heap buffer overflow vulnerability in LibreDWG versions v0.13.3.7571 up to v0.13.3.7835 allows a crafted DWG file to cause a Denial of Service (DoS) via the function decompress_R2004_section at decode.c.