Buffer overflow in GNU Libredwg
CVE-2026-9530
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (4.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000
Affected products
- GNU Libredwg — versions 0.1, 0.2, 0.3
Weakness classification (CWE)
References
- vuldb.com/vuln/365549 (technical-description, vdb-entry)
- vuldb.com/vuln/365549/cti (signature, permissions-required)
- vuldb.com/submit/814275 (third-party-advisory)
- github.com/LibreDWG/libredwg/issues/1248 (issue-tracking)
- github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_wri… (exploit)
- github.com/LibreDWG/libredwg/commit/8f03865f37f5d4ffd616fef802acc980be54d300 (patch)
- www.gnu.org/ (product)
Frequently asked questions
- What is CVE-2026-9530?
- CVE-2026-9530 is a low-severity vulnerability in GNU Libredwg, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2026-05-26.
- How severe is CVE-2026-9530?
- Low severity. CVSS v3 base score is 3.3 out of 10.