What is CVE-2022-45332?

CVE-2022-45332 is a high-severity vulnerability in GNU Libredwg, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-11-30.

How severe is CVE-2022-45332?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in GNU Libredwg

CVE-2022-45332

LibreDWG v0.12.4.4643 was discovered to contain a heap buffer overflow via the function decode_preR13_section_hdr at decode_r11.c.

Vulnerability class: Buffer Overflow

Published 2022-11-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (21.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

GNU Libredwg — versions 0.12.4.4643

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/LibreDWG/libredwg/issues/524 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-45332?: CVE-2022-45332 is a high-severity vulnerability in GNU Libredwg, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-11-30.
How severe is CVE-2022-45332?: High severity. CVSS v3 base score is 7.8 out of 10.