CVE-2020-19861
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-19861
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-19861.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-19861
- Downstream
- Related
- Published
- 2022-01-21T15:15:07Z
- Modified
- 2025-10-21T05:45:15.108839Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
When a zone file in ldns 1.7.1 is parsed, the function ldnsnsec3saltdata is too trusted for the length value obtained from the zone file. When the memcpy is copied, the 0xfe - ldnsrdfsize(saltrdf) byte data can be copied, causing heap overflow information leakage.
- References