LibreDWG up to 0.13.3.7571/0.13.3.7835 DWG File Parser decode.c decompress_R2004_section heap-based overflow

Summaryinfo

A vulnerability classified as critical has been found in LibreDWG up to 0.13.3.7571/0.13.3.7835. Affected by this issue is the function decompress_R2004_section of the file decode.c of the component DWG File Parser. Performing a manipulation results in heap-based overflow. This vulnerability is cataloged as CVE-2025-61154. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in LibreDWG up to 0.13.3.7571/0.13.3.7835. This affects the function decompress_R2004_section of the file decode.c of the component DWG File Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Heap buffer overflow vulnerability in LibreDWG versions v0.13.3.7571 up to v0.13.3.7835 allows a crafted DWG file to cause a Denial of Service (DoS) via the function decompress_R2004_section at decode.c.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-61154 since 09/26/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/20/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Image Processing Software

Name

• LibreDWG

Version

• 0.13.3.7571
• 0.13.3.7835

Website

• Product: https://github.com/LibreDWG/libredwg/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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