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CVE-2026-9530— GNU LibreDWG Dwgbmp Utility decode.c read_2004_compressed_section out-of-bounds

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社区的一个用于处理DWG文件的C语言库。 GNU LibreDWG 0.14及之前版本存在安全漏洞，该漏洞源于Dwgbmp Utility组件中src/decode.c文件的read_2004_compressed_section函数操作不当，可能导致越界读取。

CVSS 3.3 · Low EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 14

VendorProduct Version RangeStatus
GNU LibreDWG 0.1 affected
0.2 affected
0.3 affected
0.4 affected
0.5 affected
0.6 affected
0.7 affected
0.8 affected
… +6 more rows
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I. Basic Information for CVE-2026-9530

Vulnerability Information
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Vulnerability Title
GNU LibreDWG Dwgbmp Utility decode.c read_2004_compressed_section out-of-bounds
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in GNU LibreDWG up to 0.14. The impacted element is the function read_2004_compressed_section of the file src/decode.c of the component Dwgbmp Utility. Executing a manipulation can lead to out-of-bounds read. The attack requires local access. The exploit has been made available to the public and could be used for attacks. This patch is called 8f03865f37f5d4ffd616fef802acc980be54d300. It is advisable to implement a patch to correct this issue.
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
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
GNU LibreDWG 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU LibreDWG是美国GNU社区的一个用于处理DWG文件的C语言库。 GNU LibreDWG 0.14及之前版本存在安全漏洞，该漏洞源于Dwgbmp Utility组件中src/decode.c文件的read_2004_compressed_section函数操作不当，可能导致越界读取。
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 0.1 cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9530

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III. Intelligence Information for CVE-2026-9530

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Patches & Fixes for CVE-2026-9530 (1)

Proof of Concept for CVE-2026-9530 (1)

Vendor Pages for CVE-2026-9530 (1)

Other References for CVE-2026-9530 (1)

Same Patch Batch · GNU · 2026-05-26 · 3 CVEs total

CVE-2026-9605 7.3 HIGH GNU libredwg Dwgbmp Utility bits.c bit_read_RC heap-based overflow
CVE-2026-9529 3.3 LOW GNU LibreDWG Dwggrep Utility dwggrep.c match_BLOCK_HEADER null pointer dereference

IV. Related Vulnerabilities

Same product: LibreDWG
Same vendor: GNU
Same weakness: CWE-125

V. Comments for CVE-2026-9530

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