CVE Tools

Ldns

8 CVEs tracked. None of them is in CISA KEV.

This hub aggregates every CVE we track for Ldns, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.

Ldns CVEs per month

Oct 2024 to Sep 2026. Point at a month, or focus the strip and use the arrow keys.
Ldns CVEs per month
MonthCVEs
2024-100
2024-110
2024-120
2025-010
2025-020
2025-030
2025-040
2025-050
2025-060
2025-070
2025-080
2025-090
2025-100
2025-110
2025-120
2026-010
2026-020
2026-030
2026-040
2026-050
2026-061
2026-070
2026-080
2026-090

Severity

How the 8 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • Critical225%
  • High225%
  • Medium338%
  • Low113%

Latest CVEs

The 8 most recently published vulnerabilities affecting Ldns.

  1. CVE-2026-10846Insufficient verification that responses belong to a query7.5
  2. CVE-2020-19861When a zone file in ldns 1.7.1 is parsed, the function ldns_nsec3_salt_data is too trusted for the length value obtained from the zone file. When the memcpy is copied, the 0xfe - ldns_rdf_size(salt...7.5
  3. CVE-2020-19860When ldns version 1.7.1 verifies a zone file, the ldns_rr_new_frm_str_internal function has a heap out of bounds read vulnerability. An attacker can leak information on the heap by constructing a z...6.5
  4. CVE-2017-1000231A double-free vulnerability in parse.c in ldns 1.7.0 have unspecified impact and attack vectors.9.8
  5. CVE-2017-1000232A double-free vulnerability in str2host.c in ldns 1.7.0 have unspecified impact and attack vectors.9.8
  6. CVE-2014-3209The ldns-keygen tool in ldns 1.6.x uses the current umask to set the privileges of the private key, which might allow local users to obtain the private key by reading the file.2.1
  7. CVE-2011-3581Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns before 1.6.11 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a ...6.8
  8. CVE-2009-1086Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code vi...6.4

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