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7.5

LibreDWG v0.12.3 was discovered to contain a NULL pointer dereference via out_dxfb.c.

CVE-2021-28236 · published 4 years ago
Summary

LibreDWG v0.12.3 was discovered to contain a NULL pointer dereference via out_dxfb.c.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
gnu libredwg 0.12.3
cpe:2.3:a:gnu:libredwg:0.12.3:*:*:*:*:*:*:*
Original advisory text
LibreDWG v0.12.3 was discovered to contain a NULL pointer dereference via out_dxfb.c.
LibreDWG v0.12.3 was discovered to contain a NULL pointer dereference via out_dxfb.c.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.5 High
Exploitation
1% chance of attack within 30 days
Type
CWE-476NULL Pointer Dereference
Timeline
Published2 Dec 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-28236 · NVD
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