CVE-2020-6611
GNU LibreDWG 0.9.3.2564 has a NULL pointer dereference in get_next_owned_entity in dwg.c.
GNU LibreDWG 0.9.3.2564 has a NULL pointer dereference in get_next_owned_entity in dwg.c.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
GNU LibreDWG 0.9.3.2564 has a NULL pointer dereference in get_next_owned_entity in dwg.c.
- Record
CVE-2020-6611- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
GNU LibreDWG 0.9.3.2564 has a NULL pointer dereference in get_next_owned_entity in dwg.c.
- Record
CVE-2020-6611- Updated
- 2026-11-02
EUVDEUVD-2020-27759 No score
GNU LibreDWG 0.9.3.2564 has a NULL pointer dereference in get_next_owned_entity in dwg.c.
- Record
EUVD-2020-27759- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hj5h-m694-6v6q
GNU LibreDWG 0.9.3.2564 has a NULL pointer dereference in get_next_owned_entity in dwg.c.
GNU LibreDWG 0.9.3.2564 has a NULL pointer dereference in get_next_owned_entity in dwg.c.
- Record
GHSA-hj5h-m694-6v6q- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSVopenSUSE-SU-2020:0096-1 No score
Security update for libredwg
This update for libredwg fixes the following issues:
libredwg was updated to release 0.10:
API breaking changes:
- Added a new int *isnewp argument to all dynapi utf8text getters, if the returned string is freshly malloced or not.
- removed the UNKNOWN supertype, there are only UNKNOWN_OBJ and UNKNOWN_ENT left, with common_entity_data.
- renamed BLOCK_HEADER.preview_data to preview, preview_data_size to preview_size.
- renamed SHAPE.shape_no to style_id.
- renamed CLASS.wasazombie to is_zombie.
Bugfixes:
- Harmonized INDXFB with INDXF, removed extra src/in_dxfb.c.
- Fixed encoding of added r2000 AUXHEADER address.
- Fixed EED encoding from dwgrewrite.
- Add several checks against [CVE-2020-6609, boo#1160520], [CVE-2020-6610, boo#1160522], [CVE-2020-6611, boo#1160523], [CVE-2020-6612, boo#1160524], [CVE-2020-6613, boo#1160525], [CVE-2020-6614, boo#1160526], [CVE-2020-6615, boo#1160527]
- Record
openSUSE-SU-2020:0096-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2020:0115-1 No score
Security update for libredwg
This update for libredwg fixes the following issues:
libredwg was updated to release 0.10:
API breaking changes:
- Added a new int *isnewp argument to all dynapi utf8text getters, if the returned string is freshly malloced or not.
- removed the UNKNOWN supertype, there are only UNKNOWN_OBJ and UNKNOWN_ENT left, with common_entity_data.
- renamed BLOCK_HEADER.preview_data to preview, preview_data_size to preview_size.
- renamed SHAPE.shape_no to style_id.
- renamed CLASS.wasazombie to is_zombie.
Bugfixes:
- Harmonized INDXFB with INDXF, removed extra src/in_dxfb.c.
- Fixed encoding of added r2000 AUXHEADER address.
- Fixed EED encoding from dwgrewrite.
- Add several checks against [CVE-2020-6609, boo#1160520], [CVE-2020-6610, boo#1160522], [CVE-2020-6611, boo#1160523], [CVE-2020-6612, boo#1160524], [CVE-2020-6613, boo#1160525], [CVE-2020-6614, boo#1160526], [CVE-2020-6615, boo#1160527] This update was imported from the openSUSE:Leap:15.1:Update update project.
- Record
openSUSE-SU-2020:0115-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10981-1 No score
libredwg-devel-0.11.1-1.6 on GA media
These are all security issues fixed in the libredwg-devel-0.11.1-1.6 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10981-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libredwgopenSUSE:Leap 15.1 From an advisory covering 7 CVEs |
before 0.10-lp151.2.6.1 | 0.10-lp151.2.6.1 |
libredwgSUSE:Package Hub 15 SP1 From an advisory covering 7 CVEs |
before 0.10-bp151.2.6.1 | 0.10-bp151.2.6.1 |
libredwgopenSUSE:Tumbleweed From an advisory covering 20 CVEs |
before 0.11.1-1.6 | 0.11.1-1.6 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| 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-2020-6611 is a medium vulnerability (CVSS 6.5) in Gnu Libredwg, published January 8, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.52%, the 74th percentile. No source names a fixed version.
References
github.com/LibreDWG/libredwg/issues/179
lists.opensuse.org/opensuse-security-announce/2020-01/msg00046.html
nvd.nist.gov/vuln/detail/CVE-2020-6611
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bugzilla.suse.com/1160520
suse.com/security/cve/CVE-2020-6609