CVE-2023-36273

Name: CVE-2023-36273
Creator: NVD / NIST
Published: 2023-06-23T15:15:10.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2023-36273 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. LibreDWG v0.12.5 was discovered to contain a heap buffer overflow via the function bit_calc_CRC at bits.c.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

LibreDWG v0.12.5 was discovered to contain a heap buffer overflow via the function bit_calc_CRC at bits.c.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.70%

48.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Gnu	Libredwg	0.12.5

References

https://github.com/LibreDWG/libredwg/issues/677#BUG1Exploit, Issue Tracking, Third Party Advisory
https://github.com/LibreDWG/libredwg/issues/677#BUG1Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jun 23, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-36273?

LibreDWG v0.12.5 was discovered to contain a heap buffer overflow via the function bit_calc_CRC at bits.c.

How severe is CVE-2023-36273?

CVE-2023-36273 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2023-36273?

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-2023-36273?

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

Scan your code now

Source: NVD / NIST