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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GNU | LibreDWG | 0.13.0, 0.13.1, 0.13.2, 0.13.3, 0.13.4 | 0.14 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libredwg | 0.14.8413-1.1 | openSUSE-SU-2026:11247-1 |
| openSUSE Leap 16.0 | libredwg | 0.14.8413-bp160.1.1 | openSUSE-SU-2026:21346-1 |
Advisories 2
- openSUSE-SU-2026:21346-1 Security update for libredwg SUSE / openSUSE Security Updates · Jul 15, 2026
- openSUSE-SU-2026:11247-1 libredwg-devel-0.14.8413-1.1 on GA media SUSE / openSUSE Security Updates · Jul 11, 2026
References
- VDB-377110 | GNU LibreDWG DWG File dwg.c dwg_next_entity null pointer dereference vdb-entry technical-description
- VDB-377110 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-15184 | CVE Analysis and Report third-party-advisory
- 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
- https://github.com/LibreDWG/libredwg/issues/1253 issue-tracking
- https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_0b57303_dwggrep_segv_null_read_dwg_next_entity_dwg.c_1231.dwg exploit
- https://github.com/LibreDWG/libredwg/commit/dde45dac3c4d902e4d8fed150a8017b9732019c9 patch
- https://github.com/LibreDWG/libredwg/releases/tag/0.14 patch
- https://www.gnu.org/ broken-link product