CVE-2019-13951

CRITICALNVD 9.89.8—

9.8

The set_ipv4() function in zscan_rfc1035.rl in gdnsd 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv4 address in zone data.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 64.5%
KEV: Not listed

Published

July 18, 2019

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated May 30, 2026

No patch confirmed yet.

generic

Multiple stack-based buffer overflow · Issue #185 · gdnsd/gdnsd · GitHub

https://github.com/gdnsd/gdnsd/issues/185

Weakness Classification(1)

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

CWE-787Out-of-bounds Write

Data Freshness Timeline

(refreshed 13× 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.

2026-06-05 22:45 UTCepss_batch
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2026-05-31 22:29 UTCepss_batch
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2026-05-29 13:42 UTCepss_batch
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2026-05-27 17:12 UTCEG score recompute
2026-05-27 17:12 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch

Frequently asked(5)

What is CVE-2019-13951?

CVE-2019-13951 is a critical vulnerability published on July 18, 2019. The setipv4() function in zscanrfc1035.rl in gdnsd 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv4 address in zone data.

When was CVE-2019-13951 disclosed?

CVE-2019-13951 was first published in the National Vulnerability Database on July 18, 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-2019-13951 actively exploited?

CVE-2019-13951 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-13951?

CVE-2019-13951 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2019-13951?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-13951, 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-2019-13951

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Multiple stack-based buffer overflow · Issue #185 · gdnsd/gdnsd · GitHub

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-13951?

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Published

Last Modified

Advisory Details (1)

Frequently asked(5)

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