CVE-2026-15184: NULL Pointer Dereference in GNU LibreDWG
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.
AI Analysis
Technical Summary
This vulnerability in GNU LibreDWG affects versions 0.13.0 through 0.13.4. The flaw is a NULL pointer dereference in the dwg_next_entity function in src/dwg.c, triggered by manipulating the next_obj argument. This can lead to application crashes or denial of service. The vulnerability requires local attacker privileges and no user interaction. A patch identified by commit dde45dac3c4d902e4d8fed150a8017b9732019c9 is available in version 0.14, which fixes the issue.
Potential Impact
Successful exploitation results in a NULL pointer dereference causing a denial of service (application crash). The attack requires local access and does not allow remote code execution or privilege escalation based on the provided data.
Mitigation Recommendations
Upgrade GNU LibreDWG to version 0.14 or later, which includes the patch (dde45dac3c4d902e4d8fed150a8017b9732019c9) resolving this vulnerability. No other mitigations are specified or required.
CVE-2026-15184: NULL Pointer Dereference in GNU LibreDWG
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.
CVSS v4.0
Score 4.8medium
Affected software
pkg:github/libredwg/libredwgcpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in GNU LibreDWG affects versions 0.13.0 through 0.13.4. The flaw is a NULL pointer dereference in the dwg_next_entity function in src/dwg.c, triggered by manipulating the next_obj argument. This can lead to application crashes or denial of service. The vulnerability requires local attacker privileges and no user interaction. A patch identified by commit dde45dac3c4d902e4d8fed150a8017b9732019c9 is available in version 0.14, which fixes the issue.
Potential Impact
Successful exploitation results in a NULL pointer dereference causing a denial of service (application crash). The attack requires local access and does not allow remote code execution or privilege escalation based on the provided data.
Mitigation Recommendations
Upgrade GNU LibreDWG to version 0.14 or later, which includes the patch (dde45dac3c4d902e4d8fed150a8017b9732019c9) resolving this vulnerability. No other mitigations are specified or required.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-07-09T05:00:12.112Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4f951668715ace435a95da
Added to database: 07/09/2026, 12:33:26 UTC
Last enriched: 07/09/2026, 12:47:26 UTC
Last updated: 07/09/2026, 13:56:28 UTC
Views: 9
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