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CVE-2026-15182— GNU LibreDWG BMP Image dwg.c dwg_bmp heap-based overflow

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存在缓冲区错误漏洞，该漏洞源于BMP Image Handler组件中src/dwg.c文件的dwg_bmp函数存在堆缓冲区溢出，可能导致本地攻击者利用该漏洞。以下版本受到影响：0.13.0版本、0.13.1版本、0.13.2版本、0.13.3版本和0.13.4版本。

CVSS 5.3 · Medium EPSS 0.13% · P3

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

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-2026-15182

Vulnerability Information
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Vulnerability Title
GNU LibreDWG BMP Image dwg.c dwg_bmp heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in GNU LibreDWG up to 0.13.4. The affected element is the function dwg_bmp of the file src/dwg.c of the component BMP Image Handler. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. Upgrading to version 0.14 is sufficient to fix this issue. The name of the patch is 18fd542bb4d5ccedf9de12052bf50068b2b26f06. It is suggested to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
GNU LibreDWG 缓冲区错误漏洞
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存在缓冲区错误漏洞，该漏洞源于BMP Image Handler组件中src/dwg.c文件的dwg_bmp函数存在堆缓冲区溢出，可能导致本地攻击者利用该漏洞。以下版本受到影响：0.13.0版本、0.13.1版本、0.13.2版本、0.13.3版本和0.13.4版本。
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-2026-15182

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III. Intelligence Information for CVE-2026-15182

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Patches & Fixes for CVE-2026-15182 (1)

Vendor Advisories for CVE-2026-15182 (1)

Proof of Concept for CVE-2026-15182 (2)

Vendor Pages for CVE-2026-15182 (2)

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

CVE-2026-15184 3.3 LOW GNU LibreDWG DWG File dwg.c dwg_next_entity null pointer dereference
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-122

V. Comments for CVE-2026-15182

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