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Description

A vulnerability was found in GNU LibreDWG up to 0.13.4. The impacted element is the function dwg_next_entity of the file src/dwg.c of the component DWG File Handler. Performing a manipulation of the argument next_obj results in null pointer dereference. The attack must be initiated from a local position. The exploit has been made public and could be used. Upgrading to version 0.14 is sufficient to resolve this issue. The patch is named dde45dac3c4d902e4d8fed150a8017b9732019c9. Upgrading the affected component is recommended. Different than CVE-2026-9503.

PUBLISHED Reserved 2026-07-09 | Published 2026-07-09 | Updated 2026-07-09 | 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

NULL Pointer Dereference

Denial of Service

Product status

0.13.0
affected

0.13.1
affected

0.13.2
affected

0.13.3
affected

0.13.4
affected

0.14
unaffected

Timeline

2026-07-09:Advisory disclosed
2026-07-09:VulDB entry created
2026-07-09:VulDB entry last update

Credits

Ech06 (VulDB User) reporter

References

vuldb.com/vuln/377110 (VDB-377110 | GNU LibreDWG DWG File dwg.c dwg_next_entity null pointer dereference) vdb-entry technical-description

vuldb.com/vuln/377110/cti (VDB-377110 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-15184 (CVE-2026-15184 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/851192 (Submit #851192 | LibreDWG 0.13.4-154-g0b573035 (main branch, commit 0b573035, 2026-04-29) 空指针解引用 (NULL Pointer Dereference)) third-party-advisory

github.com/LibreDWG/libredwg/issues/1253 issue-tracking

github.com/..._segv_null_read_dwg_next_entity_dwg.c_1231.dwg exploit

github.com/...ommit/dde45dac3c4d902e4d8fed150a8017b9732019c9 patch

github.com/LibreDWG/libredwg/releases/tag/0.14 patch

www.gnu.org/ broken-link product

cve.org (CVE-2026-15184)

nvd.nist.gov (CVE-2026-15184)

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