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Description

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.

PUBLISHED Reserved 2026-05-25 | Published 2026-05-26 | Updated 2026-05-26 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C

Problem types

Out-of-Bounds Read

Memory Corruption

Product status

0.1
affected

0.2
affected

0.3
affected

0.4
affected

0.5
affected

0.6
affected

0.7
affected

0.8
affected

0.9
affected

0.10
affected

0.11
affected

0.12
affected

0.13
affected

0.14
affected

Timeline

2026-05-25:Advisory disclosed
2026-05-25:VulDB entry created
2026-05-25:VulDB entry last update

Credits

pwn3rd (VulDB User) reporter

References

github.com/LibreDWG/libredwg/issues/1248 exploit

vuldb.com/vuln/365549 (VDB-365549 | GNU LibreDWG Dwgbmp Utility decode.c read_2004_compressed_section out-of-bounds) vdb-entry technical-description

vuldb.com/vuln/365549/cti (VDB-365549 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/814275 (Submit #814275 | LibreDWG Project LibreDWG <= 0.14, main branch up to commit 6d6a339 (2026-04-10) Out-of-bounds Read (CWE-125)) third-party-advisory

github.com/LibreDWG/libredwg/issues/1248 issue-tracking

github.com/...eap_oob_write_read_2004_compressed_section.dwg exploit

github.com/...ommit/8f03865f37f5d4ffd616fef802acc980be54d300 patch

www.gnu.org/ product

cve.org (CVE-2026-9530)

nvd.nist.gov (CVE-2026-9530)

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