PT-2026-43125 · Gnu · Libredwg

Pwn3Rd · Published 2026-04-22 · Updated 2026-05-25 · CVE-2026-9500

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions GNU LibreDWG versions prior to 0.14

Description A heap-based buffer overflow occurs in the read 2004 compressed section() function within the src/decode.c file of the Dwgread Utility component. This issue can be triggered through local access and may lead to a denial of service.

Recommendations Update to version 0.14 or later. As a temporary workaround, restrict local access to the Dwgread Utility component to minimize the risk of exploitation.

Exploit

Fix

Buffer Overflow

Heap Based Buffer Overflow

Weakness Enumeration

CWE-119

CWE-122

Related Identifiers

BDU:2026-07300

CVE-2026-9500

Affected Products

Libredwg

References · 9

• 🔥 https://github.com/LibreDWG/libredwg/issues/1241 · Exploit
• 🔥 https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg · Exploit
• https://bdu.fstec.ru/vul/2026-07300 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-9500 · Security Note
• https://github.com/LibreDWG/libredwg/commit/e501cb9926c1e9a07a0d1cc997f3e69e9be801c9 · Note
• https://vuldb.com/submit/814248 · Note
• https://vuldb.com/vuln/365482/cti · Note
• https://gnu.org · Note
• https://vuldb.com/vuln/365482 · Note