CVE-2026-9502: GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section heap-based overflow

Published May 25, 2026
·
Updated

A vulnerability was identified in GNU LibreDWG up to 0.14. This affects the function decompress_R2004_section of the file src/decode.c of the component Dwgread Utility. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. The identifier of the patch is e501cb9926c1e9a07a0d1cc997f3e69e9be801c9. To fix this issue, it is recommended to deploy a patch.

Affected Software

1 affected component
GNU LibreDWG<=0.14

Event History

May 25, 2026
CVE Published
via MITRE·08:45 PM
Data Sourced
via MITRE·08:45 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-9502?

The severity of CVE-2026-9502 is medium, with a score of 5.3.

2

What type of vulnerability is CVE-2026-9502?

CVE-2026-9502 is identified as a heap-based buffer overflow.

3

How can I exploit CVE-2026-9502?

Exploitation of CVE-2026-9502 requires local access, as the attack must be carried out locally.

4

Which utility is affected by CVE-2026-9502?

CVE-2026-9502 affects the Dwgread Utility in GNU LibreDWG up to version 0.14.

5

How do I fix CVE-2026-9502?

To fix CVE-2026-9502, upgrade to a version of GNU LibreDWG later than 0.14.

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