TI-2019-15128 Aliases CVE-2019-20914 GHSA-4x8f-6m48-c263

An issue was discovered in GNU LibreDWG through 0.9.3.

MEDIUM 46CWE-476Published 2020-07-16 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.

Summary

An issue was discovered in GNU LibreDWG through 0.9.3. There is a NULL pointer dereference in the function dwg_encode_common_entity_handle_data in common_entity_handle_data.spec.

Why it matters now

EPSS 0.0192 80th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:gnu:libredwg::::::::	up to 0.9.3	Vulnerable	GNU

cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:* Versions up to 0.9.3 Vulnerable ·GNU

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-20914
2026-10-03 Alias added: GHSA-4x8f-6m48-c263

References

Exploit 1

https://github.com/LibreDWG/libredwg/issues/178

Patch 1

https://github.com/LibreDWG/libredwg/commit/3b837bb72d6b9ab4d563faa211f90efc257e3c96

TI-2023-18183 LibreDWG v0.12.5 was discovered to contain a heap buffer overflow via the function bit_calc_CRC at bits.c. CVSS 3.1HIGH 8.8
TI-2023-18182 LibreDWG v0.10 to v0.12.5 was discovered to contain a heap buffer overflow via the function bit_utf8_to_TU at bits.c. CVSS 3.1HIGH 8.8
TI-2023-18181 LibreDWG v0.10 to v0.12.5 was discovered to contain a heap buffer overflow via the function bit_wcs2nlen at bits.c. CVSS 3.1HIGH 8.8
TI-2023-10675 A heap-based buffer overflow vulnerability exits in GNU LibreDWG v0.12.5 via the bit_read_RC function at bits.c. CVSS 3.1HIGH 8.8
TI-2022-22309 LibreDWG v0.12.4.4643 was discovered to contain a heap buffer overflow via the function… CVSS 3.1HIGH 7.8
TI-2021-09446 LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13. CVSS 3.1CRITICAL 9.8

See all 87 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences