Description
Unbound before 1.10.1 has an infinite loop via malformed DNS answers received from upstream servers.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/05/19/5Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00017.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F5NFROI2OMCZLYRTCNGHGO3TUD32LCIQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YJ42N2HBZ3DXMSEC56SWIIOFQGOS5M7I/
- https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txtVendor Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.ascThird Party Advisory
- https://usn.ubuntu.com/4374-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4694Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/05/19/5Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00017.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F5NFROI2OMCZLYRTCNGHGO3TUD32LCIQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YJ42N2HBZ3DXMSEC56SWIIOFQGOS5M7I/
- https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txtVendor Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.ascThird Party Advisory
- https://usn.ubuntu.com/4374-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4694Third Party Advisory
Timeline
- Published
- May 19, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified