CVEvulnerability
CVE-2020-19860
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-01-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-125
Description
When 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 zone file payload.
Affected configurations
• nlnetlabs ldns 1.7.1
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://github.com/NLnetLabs/ldns/commit/15d96206996bea969fbc918eb0a4a346f514b9f3 Patch, Third Party Advisory
- https://github.com/NLnetLabs/ldns/issues/50 Exploit, Issue Tracking, Third Party Advisory
- https://github.com/NLnetLabs/ldns/commit/15d96206996bea969fbc918eb0a4a346f514b9f3 Patch, Third Party Advisory
- https://github.com/NLnetLabs/ldns/issues/50 Exploit, Issue Tracking, Third Party Advisory