What is CVE-2020-15807?

CVE-2020-15807 is a medium-severity vulnerability in GNU Libredwg, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2020-07-17.

How severe is CVE-2020-15807?

Medium severity. CVSS v3 base score is 6.5 out of 10.

NULL pointer dereference in GNU Libredwg

CVE-2020-15807

GNU LibreDWG before 0.11 allows NULL pointer dereferences via crafted input files.

Published 2020-07-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

GNU Libredwg

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/LibreDWG/libredwg/issues/186 (Exploit, Third Party Advisory, Issue Tracking)
github.com/LibreDWG/libredwg/issues/189 (Exploit, Third Party Advisory, Issue Tracking)
github.com/LibreDWG/libredwg/issues/190 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-15807?: CVE-2020-15807 is a medium-severity vulnerability in GNU Libredwg, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2020-07-17.
How severe is CVE-2020-15807?: Medium severity. CVSS v3 base score is 6.5 out of 10.