Buffer overflow in Gnu Libredwg

CVE-2021-28237

LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.

Vulnerability class: Buffer Overflow

EPSS: 0.014 (68.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Gnu Libredwg — versions 0.12.3
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

zodf0055980/Yuan-fuzz

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-28237?: CVE-2021-28237 is a critical-severity vulnerability in Gnu Libredwg, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-12-02.
How severe is CVE-2021-28237?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-28237 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.