High severity8.6NVD Advisory· Published Oct 22, 2025· Updated Apr 15, 2026
CVE-2025-40780
CVE-2025-40780
Description
In specific circumstances, due to a weakness in the Pseudo Random Number Generator (PRNG) that is used, it is possible for an attacker to predict the source port and query ID that BIND will use. This issue affects BIND 9 versions 9.16.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.16.8-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
70- osv-coords68 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/almalinux/bindpkg:rpm/almalinux/bind9.16pkg:rpm/almalinux/bind9.16-chrootpkg:rpm/almalinux/bind9.16-develpkg:rpm/almalinux/bind9.16-dnssec-utilspkg:rpm/almalinux/bind9.16-docpkg:rpm/almalinux/bind9.16-libspkg:rpm/almalinux/bind9.16-licensepkg:rpm/almalinux/bind9.16-utilspkg:rpm/almalinux/bind9.18pkg:rpm/almalinux/bind9.18-chrootpkg:rpm/almalinux/bind9.18-develpkg:rpm/almalinux/bind9.18-dnssec-utilspkg:rpm/almalinux/bind9.18-docpkg:rpm/almalinux/bind9.18-libspkg:rpm/almalinux/bind9.18-utilspkg:rpm/almalinux/bind-chrootpkg:rpm/almalinux/bind-develpkg:rpm/almalinux/bind-dnssec-docpkg:rpm/almalinux/bind-dnssec-utilspkg:rpm/almalinux/bind-docpkg:rpm/almalinux/bind-libspkg:rpm/almalinux/bind-licensepkg:rpm/almalinux/bind-utilspkg:rpm/almalinux/python3-bindpkg:rpm/almalinux/python3-bind9.16pkg:rpm/opensuse/bind&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/bind&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/bind&distro=openSUSE%20Tumbleweedpkg:rpm/suse/bind&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP6pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP7pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/bind&distro=SUSE%20Manager%20Client%20Tools%20for%20SLE%20Micro%205pkg:rpm/suse/bind&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/bind&distro=SUSE%20Manager%20Server%20LTS%204.3pkg:rpm/suse/bind&distro=SUSE%20Multi%20Linux%20Manager%20Tools%20SLE-Micro-5
< 9.20.16-r0+ 67 more
- (no CPE)range: < 9.20.16-r0
- (no CPE)range: < 9.20.15-r0
- (no CPE)range: < 9.20.16-r0
- (no CPE)range: < 9.20.16-r0
- (no CPE)range: < 9.20.15-r0
- (no CPE)range: < 9.20.16-r0
- (no CPE)range: < 9.20.16-r0
- (no CPE)range: < 9.20.16-r0
- (no CPE)range: < 9.20.16-r0
- (no CPE)range: < 9.20.15-r0
- (no CPE)range: < 9.20.16-r0
- (no CPE)range: < 9.20.16-r0
- (no CPE)range: < 9.20.15-r0
- (no CPE)range: < 9.20.16-r0
- (no CPE)range: < 9.20.16-r0
- (no CPE)range: < 9.20.16-r0
- (no CPE)range: < 32:9.18.33-10.el10_1.2
- (no CPE)range: < 32:9.16.23-0.22.el8_10.4
- (no CPE)range: < 32:9.16.23-0.22.el8_10.4
- (no CPE)range: < 32:9.16.23-0.22.el8_10.4
- (no CPE)range: < 32:9.16.23-0.22.el8_10.4
- (no CPE)range: < 32:9.16.23-0.22.el8_10.4
- (no CPE)range: < 32:9.16.23-0.22.el8_10.4
- (no CPE)range: < 32:9.16.23-0.22.el8_10.4
- (no CPE)range: < 32:9.16.23-0.22.el8_10.4
- (no CPE)range: < 32:9.18.29-4.el9_6.2
- (no CPE)range: < 32:9.18.29-4.el9_6.2
- (no CPE)range: < 32:9.18.29-4.el9_6.2
- (no CPE)range: < 32:9.18.29-4.el9_6.2
- (no CPE)range: < 32:9.18.29-4.el9_6.2
- (no CPE)range: < 32:9.18.29-4.el9_6.2
- (no CPE)range: < 32:9.18.29-4.el9_6.2
- (no CPE)range: < 32:9.18.33-10.el10_1.2
- (no CPE)range: < 32:9.18.33-10.el10_1.2
- (no CPE)range: < 32:9.16.23-34.el9_7.1
- (no CPE)range: < 32:9.18.33-10.el10_1.2
- (no CPE)range: < 32:9.18.33-4.el10_0.2
- (no CPE)range: < 32:9.18.33-10.el10_1.2
- (no CPE)range: < 32:9.18.33-4.el10_0.2
- (no CPE)range: < 32:9.18.33-10.el10_1.2
- (no CPE)range: < 32:9.16.23-34.el9_7.1
- (no CPE)range: < 32:9.16.23-0.22.el8_10.4
- (no CPE)range: < 9.18.33-150600.3.18.1
- (no CPE)range: < 9.20.15-160000.1.1
- (no CPE)range: < 9.20.15-1.1
- (no CPE)range: < 9.16.6-150300.22.53.1
- (no CPE)range: < 9.16.6-150300.22.53.1
- (no CPE)range: < 9.16.50-150400.5.56.1
- (no CPE)range: < 9.16.50-150400.5.56.1
- (no CPE)range: < 9.16.50-150500.8.32.1
- (no CPE)range: < 9.16.50-150500.8.32.1
- (no CPE)range: < 9.16.50-150500.8.32.1
- (no CPE)range: < 9.18.33-150600.3.18.1
- (no CPE)range: < 9.20.15-150700.3.12.1
- (no CPE)range: < 9.18.33-150600.3.18.1
- (no CPE)range: < 9.20.15-150700.3.12.1
- (no CPE)range: < 9.16.6-150300.22.53.1
- (no CPE)range: < 9.16.50-150400.5.56.1
- (no CPE)range: < 9.16.50-150500.8.32.1
- (no CPE)range: < 9.20.15-160000.1.1
- (no CPE)range: < 9.16.6-150300.22.53.1
- (no CPE)range: < 9.16.50-150400.5.56.1
- (no CPE)range: < 9.16.50-150500.8.32.1
- (no CPE)range: < 9.20.15-160000.1.1
- (no CPE)range: < 9.16.6-150000.12.85.1
- (no CPE)range: < 9.16.50-150400.5.56.1
- (no CPE)range: < 9.16.50-150400.5.56.1
- (no CPE)range: < 9.16.6-150000.12.85.1
Patches
Vulnerability mechanics
References
2News mentions
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