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CVE-2026-15184— GNU LibreDWG DWG File dwg.c dwg_next_entity null pointer dereference

Quick assessment

Affected
GNU LibreDWG
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GNU libredwg是美国GNU基金会开源的一个DWG文件格式实现。 GNU LibreDWG 0.13.4及之前版本存在安全漏洞，该漏洞源于DWG File Handler组件中文件src/dwg.c的函数dwg_next_entity对参数next_obj的操作存在空指针取消引用。

CVSS 3.3 · Low EPSS 0.17% · P5

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 6

VendorProduct Version RangeStatus
GNU LibreDWG 0.13.0 affected
0.13.1 affected
0.13.2 affected
0.13.3 affected
0.13.4 affected
0.14 unaffected
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I. Basic Information for CVE-2026-15184

Vulnerability Information
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Vulnerability Title
GNU LibreDWG DWG File dwg.c dwg_next_entity null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
GNU libredwg 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU libredwg是美国GNU基金会开源的一个DWG文件格式实现。 GNU LibreDWG 0.13.4及之前版本存在安全漏洞，该漏洞源于DWG File Handler组件中文件src/dwg.c的函数dwg_next_entity对参数next_obj的操作存在空指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
GNU LibreDWG 0.13.0 cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15184

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III. Intelligence Information for CVE-2026-15184

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Patches & Fixes for CVE-2026-15184 (2)

Vendor Pages for CVE-2026-15184 (2)

Same Patch Batch · GNU · 2026-07-09 · 4 CVEs total

CVE-2026-15182 5.3 MEDIUM GNU LibreDWG BMP Image dwg.c dwg_bmp heap-based overflow
CVE-2026-56289 Loop with Unreachable Exit Condition in GNU patch
CVE-2026-56288 NULL Pointer Dereference in GNU patch

IV. Related Vulnerabilities

Same product: LibreDWG
Same vendor: GNU
Same weakness: CWE-476

V. Comments for CVE-2026-15184

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