CVEvulnerability
CVE-2019-25036
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-617
Description
Unbound before 1.9.5 allows an assertion failure and denial of service in synth_cname. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited
Affected configurations
• nlnetlabs unbound (< 1.9.5)
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-617 Reachable Assertion weakness
References
- https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html Mailing List, Third Party Advisory
- https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/ Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210507-0007/ Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html Mailing List, Third Party Advisory
- https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/ Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210507-0007/ Third Party Advisory