CVE-2019-20914

CRITICALNVD 9.89.8—

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 59.2%
KEV: Not listed

Published

July 16, 2020

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated May 27, 2026

Upstream fix merged — awaiting tagged release. Sources: github_commit.

generic

Several bugs need to be fixed. · Issue #178 · LibreDWG/libredwg · GitHub

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

github_commit

commit 3b837bb72d6b (LibreDWG/libredwg)

Fix landed in LibreDWG/libredwg commit 3b837bb72d6b — awaiting tagged release

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

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 10× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
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2026-05-31 00:14 UTCepss_batch
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2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 01:04 UTCEG score recompute
2026-05-27 01:04 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2019-20914?

CVE-2019-20914 is a critical vulnerability published on July 16, 2020. An issue was discovered in GNU LibreDWG through 0.9.3. There is a NULL pointer dereference in the function dwgencodecommonentityhandledata in commonentityhandledata.spec.

When was CVE-2019-20914 disclosed?

CVE-2019-20914 was first published in the National Vulnerability Database on July 16, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-20914 actively exploited?

CVE-2019-20914 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 59.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-20914?

CVE-2019-20914 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2019-20914?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-20914, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2019-20914

📅 Published

🔄 Last Modified

📋 Advisory Details (2)