VDB-377110 · Submit #851192 · CVE-2026-15184

GNU LibreDWG up to 0.13.4 DWG File src/dwg.c dwg_next_entity next_obj null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in GNU LibreDWG up to 0.13.4. It has been declared as problematic. This affects the function dwg_next_entity of the file src/dwg.c of the component DWG File Handler. Executing a manipulation of the argument next_obj can lead to null pointer dereference. This vulnerability is registered as CVE-2026-15184. The attack needs to be launched locally. Furthermore, an exploit is available. It is recommended to upgrade the affected component. Different than CVE-2026-9503.

Detailsinfo

A vulnerability classified as problematic was found in GNU LibreDWG up to 0.13.4. This vulnerability affects the function dwg_next_entity of the file src/dwg.c of the component DWG File Handler. The manipulation of the argument next_obj with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.

The advisory is available at github.com. This vulnerability was named CVE-2026-15184. The exploitation appears to be easy. Local access is required to approach this attack. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. Different than CVE-2026-9503.

Upgrading to version 0.14 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch dde45dac3c4d902e4d8fed150a8017b9732019c9 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Image Processing Software

Vendor

Name

LibreDWG

Version

License

open-source

Website

Vendor: https://www.gnu.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: LibreDWG 0.14
Patch: dde45dac3c4d902e4d8fed150a8017b9732019c9

Timelineinfo

07/09/2026 Advisory disclosed
07/09/2026 +0 days VulDB entry created
07/09/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: gnu.org

Advisory: 1253
Status: Confirmed

CVE: CVE-2026-15184 (🔒)
GCVE (CVE): GCVE-0-2026-15184
GCVE (VulDB): GCVE-100-377110
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/09/2026 07:05
Changes: 07/09/2026 07:05 (65)
Complete: 🔍
Submitter: Ech06
Cache ID: 216::103

Submitinfo

Accepted

Submit #851192: LibreDWG 0.13.4-154-g0b573035 (main branch, commit 0b573035, 2026-04-29) 空指针解引用 (NULL Pointer Dereference) (by Ech06)