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Description

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.

PUBLISHED Reserved 2026-05-25 | Published 2026-05-25 | Updated 2026-05-28 | 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

Reachable Assertion

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

vuldb.com/vuln/365483 (VDB-365483 | GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section assertion) vdb-entry technical-description

vuldb.com/vuln/365483/cti (VDB-365483 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/814250 (Submit #814250 | LibreDWG Project LibreDWG <= 0.14, main branch up to commit 6d6a339 (released 2026-04-10) Reachable Assertion (CWE-617)) third-party-advisory

github.com/LibreDWG/libredwg/issues/1242 issue-tracking

github.com/...6a339_assert_fail_decompress_R2004_section.dwg exploit

github.com/...ommit/e501cb9926c1e9a07a0d1cc997f3e69e9be801c9 patch

www.gnu.org/ product

cve.org (CVE-2026-9501)

nvd.nist.gov (CVE-2026-9501)

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