High severity7.5NVD Advisory· Published Aug 21, 2020· Updated Jun 17, 2026
CVE-2020-8623
CVE-2020-8623
Description
In BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: * be running BIND that was built with "--enable-native-pkcs11" * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
48- Range: 9.10.5-S1 -> 9.11.21-S1
- osv-coords45 versionspkg:apk/chainguard/bindpkg:apk/chainguard/bind-devpkg:apk/chainguard/bind-dnssec-rootpkg:apk/chainguard/bind-dnssec-toolspkg:apk/chainguard/bind-docpkg:apk/chainguard/bind-libspkg:apk/chainguard/bind-pluginspkg:apk/chainguard/bind-toolspkg:apk/wolfi/bindpkg:apk/wolfi/bind-devpkg:apk/wolfi/bind-dnssec-rootpkg:apk/wolfi/bind-dnssec-toolspkg:apk/wolfi/bind-docpkg:apk/wolfi/bind-libspkg:apk/wolfi/bind-pluginspkg:apk/wolfi/bind-toolspkg:rpm/opensuse/bind&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/bind&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/bind&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/libuv&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/libuv&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/sysuser-tools&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/sysuser-tools&distro=openSUSE%20Leap%2015.2pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP1pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP2pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/bind&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/bind&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/sysuser-tools&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/sysuser-tools&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/sysuser-tools&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/sysuser-tools&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/sysuser-tools&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2pkg:rpm/suse/sysuser-tools&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/sysuser-tools&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015
< 0+ 44 more
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 9.16.6-lp151.11.9.1
- (no CPE)range: < 9.16.6-lp152.14.3.1
- (no CPE)range: < 9.16.20-1.4
- (no CPE)range: < 1.18.0-lp151.3.3.1
- (no CPE)range: < 1.18.0-lp152.4.3.1
- (no CPE)range: < 2.0-lp151.4.3.1
- (no CPE)range: < 2.0-lp152.5.3.1
- (no CPE)range: < 9.16.6-12.32.1
- (no CPE)range: < 9.16.6-12.32.1
- (no CPE)range: < 9.16.6-12.32.1
- (no CPE)range: < 9.16.6-12.32.1
- (no CPE)range: < 9.16.6-12.32.1
- (no CPE)range: < 9.16.6-12.32.1
- (no CPE)range: < 9.11.22-3.22.1
- (no CPE)range: < 9.11.22-3.22.1
- (no CPE)range: < 9.16.6-12.32.1
- (no CPE)range: < 9.11.22-3.22.1
- (no CPE)range: < 9.11.22-3.22.1
- (no CPE)range: < 9.16.6-12.32.1
- (no CPE)range: < 9.11.22-3.22.1
- (no CPE)range: < 9.11.22-3.22.1
- (no CPE)range: < 9.11.22-3.22.1
- (no CPE)range: < 2.0-4.2.8
- (no CPE)range: < 2.0-4.2.8
- (no CPE)range: < 2.0-4.2.8
- (no CPE)range: < 2.0-4.2.8
- (no CPE)range: < 2.0-4.2.8
- (no CPE)range: < 2.0-4.2.8
- (no CPE)range: < 2.0-4.2.8
Patches
Vulnerability mechanics
References
11- lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.htmlnvdMailing ListThird Party Advisory
- kb.isc.org/docs/cve-2020-8623nvdVendor Advisory
- lists.debian.org/debian-lts-announce/2020/08/msg00053.htmlnvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/202008-19nvdThird Party Advisory
- security.netapp.com/advisory/ntap-20200827-0003/nvdThird Party Advisory
- usn.ubuntu.com/4468-1/nvdThird Party Advisory
- www.debian.org/security/2020/dsa-4752nvdThird Party Advisory
- www.synology.com/security/advisory/Synology_SA_20_19nvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/nvd
News mentions
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