CVE-2019-9771

HIGHNVD 7.57.5—

7.5

An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is a NULL pointer dereference in the function bit_convert_TU at bits.c.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 83.3%
KEV: Not listed

Published

March 14, 2019

Last Modified

November 21, 2024

References (10)

cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-01/msg00033.html
cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-01/msg00045.html
cve@mitrehttp://www.securityfocus.com/bid/107447
cve@mitrehttps://github.com/LibreDWG/libredwg/issues/99
cve@mitrehttps://savannah.gnu.org/bugs/index.php?55893
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00033.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00045.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/107447
af854a3a-2127-422b-91ae-364da2661108https://github.com/LibreDWG/libredwg/issues/99
af854a3a-2127-422b-91ae-364da2661108https://savannah.gnu.org/bugs/index.php?55893

Weakness Classification(1)

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

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 11× in last 7d / 20× 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.

2026-06-04 13:10 UTCepss_batch
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2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
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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
2026-05-28 13:43 UTCepss_batch
2026-05-27 21:50 UTCEG score recompute
2026-05-27 21:50 UTCGHSA enrichment
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2019-9771?

CVE-2019-9771 is a high vulnerability published on March 14, 2019. An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is a NULL pointer dereference in the function bitconvertTU at bits.c.

When was CVE-2019-9771 disclosed?

CVE-2019-9771 was first published in the National Vulnerability Database on March 14, 2019, 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-2019-9771 actively exploited?

CVE-2019-9771 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-9771?

CVE-2019-9771 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2019-9771?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-9771, 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.

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CVE-2019-9771

📅 Published

🔄 Last Modified

🔗 References (10)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-9771?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (10)

Frequently asked(5)

Related CVEs(same CWE)