CVE-2021-28237
LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.
LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.
- Record
CVE-2021-28237- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.
- Record
CVE-2021-28237- Updated
- 2026-11-02
EUVDEUVD-2021-14926 No score
LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.
- Record
EUVD-2021-14926- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rc9p-cjq8-2vpg No score
LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.
LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.
- Record
GHSA-rc9p-cjq8-2vpg- Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.
- Record
CVE-2021-28237- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2022:0155-1 No score
Security update for libredwg
This update for libredwg fixes the following issues:
Update to release 0.12.5 [boo#1193372] [CVE-2021-28237]
- Restricted accepted DXF objects to all stable and unstable classes, minus MATERIAL, ARC_DIMENSION, SUN, PROXY*. I.e. most unstable objects do not allow unknown DXF codes anymore. This fixed most oss-fuzz errors.
- Record
openSUSE-SU-2022:0155-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:12083-1 No score
libredwg-devel-0.12.5-2.1 on GA media
These are all security issues fixed in the libredwg-devel-0.12.5-2.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:12083-1- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-28237 is a critical vulnerability (CVSS 9.8) in Gnu Libredwg, published December 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.41%, the 72nd percentile. Fixed in libredwg 0.12.5-bp154.2.3.1.