CVE-2022-33027

Name: CVE-2022-33027
Creator: NVD / NIST
Published: 2022-06-23T17:15:14.113+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.73%

Last modified Jun 17, 2026

CVE-2022-33027 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. LibreDWG v0.12.4.4608 was discovered to contain a heap-use-after-free via the function dwg_add_handleref at dwg.c.. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

LibreDWG v0.12.4.4608 was discovered to contain a heap-use-after-free via the function dwg_add_handleref at dwg.c.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.73%

49.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Gnu	Libredwg	All versions

References

https://github.com/LibreDWG/libredwg/issues/490Exploit, Issue Tracking, Third Party Advisory
https://github.com/LibreDWG/libredwg/issues/490Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jun 23, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-33027?

LibreDWG v0.12.4.4608 was discovered to contain a heap-use-after-free via the function dwg_add_handleref at dwg.c.

How severe is CVE-2022-33027?

CVE-2022-33027 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.

How do I fix CVE-2022-33027?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-33027?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST