Description
Unbound before 1.10.1 has an infinite loop via malformed DNS answers received from upstream servers.
References (10)
Core 10
Core References
Vendor Advisory x_refsource_confirm
https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2020/05/19/5
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F5NFROI2OMCZLYRTCNGHGO3TUD32LCIQ/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4694
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YJ42N2HBZ3DXMSEC56SWIIOFQGOS5M7I/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4374-1/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html
Third Party Advisory vendor-advisory
x_refsource_freebsd
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.asc
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/02/msg00017.html
Scores
CVSS v3
7.5
EPSS
0.0908
EPSS Percentile
92.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-835
Status
published
Products (10)
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
19.10
canonical/ubuntu_linux
20.04
debian/debian_linux
9.0
debian/debian_linux
10.0
fedoraproject/fedora
31
fedoraproject/fedora
32
nlnetlabs/unbound
< 1.10.1
opensuse/leap
15.1
opensuse/leap
15.2
Published
May 19, 2020
Tracked Since
Feb 18, 2026