LibreDWG 0.13.4 R2004 Decompression Buffer Overflow (before 0.14.8396)
CVE-2026-15520 Published on July 13, 2026
GNU LibreDWG R2004 Section Decompression decode.c decompress_R2004_section heap-based overflow
A vulnerability was determined in GNU LibreDWG 0.13.4-154-g0b573035. This impacts the function decompress_R2004_section of the file src/decode.c of the component R2004 Section Decompression. Executing a manipulation can lead to heap-based buffer overflow. The attack requires local access. The exploit has been publicly disclosed and may be utilized. Upgrading to version 0.14.8396 will fix this issue. This patch is called 3d0f9fc2eddbd6579c99af3111c37c98f03475d0. You should upgrade the affected component.
Timeline
Advisory disclosed
VulDB entry created
VulDB entry last update
Weakness Types
Heap-based Buffer Overflow
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().
What is a Buffer Overflow Vulnerability?
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
CVE-2026-15520 has been classified to as a Buffer Overflow vulnerability or weakness.
Products Associated with CVE-2026-15520
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Affected Versions
GNU LibreDWG:- Version 0.13.4-154-g0b573035 is affected.
- Version 0.14.8396 is unaffected.