Unbound is a validating, recursive, caching DNS resolver. It is designed to be fast and lean and incorporates modern features based on open standards. To help increase online privacy, Unbound supports DNS-over-TLS which allows clients to encrypt their communication. Unbound is available for most platforms such as FreeBSD, OpenBSD, NetBSD, MacOS, Linux and Microsoft Windows. Unbound is a totally free, open source software under the BSD license. It doesn't make custom builds or provide specific features to paying customers only.
Security Fix(es):
NLnet Unbound is an open source DNS server for the Netherlands NLnet team. NLnet Unbound has a security vulnerability that originates from the risk of cache poisoning when supporting EDNS Client Subnet, which may lead to Rebirthday attacks.(CVE-2025-5994)
{ "severity": "High" }
{ "x86_64": [ "python3-unbound-1.13.2-18.oe2203sp3.x86_64.rpm", "unbound-1.13.2-18.oe2203sp3.x86_64.rpm", "unbound-anchor-1.13.2-18.oe2203sp3.x86_64.rpm", "unbound-debuginfo-1.13.2-18.oe2203sp3.x86_64.rpm", "unbound-debugsource-1.13.2-18.oe2203sp3.x86_64.rpm", "unbound-devel-1.13.2-18.oe2203sp3.x86_64.rpm", "unbound-help-1.13.2-18.oe2203sp3.x86_64.rpm", "unbound-libs-1.13.2-18.oe2203sp3.x86_64.rpm" ], "src": [ "unbound-1.13.2-18.oe2203sp3.src.rpm" ], "aarch64": [ "python3-unbound-1.13.2-18.oe2203sp3.aarch64.rpm", "unbound-1.13.2-18.oe2203sp3.aarch64.rpm", "unbound-anchor-1.13.2-18.oe2203sp3.aarch64.rpm", "unbound-debuginfo-1.13.2-18.oe2203sp3.aarch64.rpm", "unbound-debugsource-1.13.2-18.oe2203sp3.aarch64.rpm", "unbound-devel-1.13.2-18.oe2203sp3.aarch64.rpm", "unbound-help-1.13.2-18.oe2203sp3.aarch64.rpm", "unbound-libs-1.13.2-18.oe2203sp3.aarch64.rpm" ] }
{ "x86_64": [ "python3-unbound-1.13.2-18.oe2203sp4.x86_64.rpm", "unbound-1.13.2-18.oe2203sp4.x86_64.rpm", "unbound-anchor-1.13.2-18.oe2203sp4.x86_64.rpm", "unbound-debuginfo-1.13.2-18.oe2203sp4.x86_64.rpm", "unbound-debugsource-1.13.2-18.oe2203sp4.x86_64.rpm", "unbound-devel-1.13.2-18.oe2203sp4.x86_64.rpm", "unbound-help-1.13.2-18.oe2203sp4.x86_64.rpm", "unbound-libs-1.13.2-18.oe2203sp4.x86_64.rpm" ], "src": [ "unbound-1.13.2-18.oe2203sp4.src.rpm" ], "aarch64": [ "python3-unbound-1.13.2-18.oe2203sp4.aarch64.rpm", "unbound-1.13.2-18.oe2203sp4.aarch64.rpm", "unbound-anchor-1.13.2-18.oe2203sp4.aarch64.rpm", "unbound-debuginfo-1.13.2-18.oe2203sp4.aarch64.rpm", "unbound-debugsource-1.13.2-18.oe2203sp4.aarch64.rpm", "unbound-devel-1.13.2-18.oe2203sp4.aarch64.rpm", "unbound-help-1.13.2-18.oe2203sp4.aarch64.rpm", "unbound-libs-1.13.2-18.oe2203sp4.aarch64.rpm" ] }
{ "x86_64": [ "python3-unbound-1.17.1-12.oe2403.x86_64.rpm", "unbound-1.17.1-12.oe2403.x86_64.rpm", "unbound-anchor-1.17.1-12.oe2403.x86_64.rpm", "unbound-debuginfo-1.17.1-12.oe2403.x86_64.rpm", "unbound-debugsource-1.17.1-12.oe2403.x86_64.rpm", "unbound-devel-1.17.1-12.oe2403.x86_64.rpm", "unbound-help-1.17.1-12.oe2403.x86_64.rpm", "unbound-libs-1.17.1-12.oe2403.x86_64.rpm", "unbound-utils-1.17.1-12.oe2403.x86_64.rpm", "python3-unbound-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-anchor-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-debuginfo-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-debugsource-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-devel-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-help-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-libs-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-utils-1.17.1-12.oe2403sp1.x86_64.rpm", "python3-unbound-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-anchor-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-debuginfo-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-debugsource-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-devel-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-help-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-libs-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-utils-1.17.1-12.oe2403sp2.x86_64.rpm" ], "src": [ "unbound-1.17.1-12.oe2403.src.rpm", "unbound-1.17.1-12.oe2403sp1.src.rpm", "unbound-1.17.1-12.oe2403sp2.src.rpm" ], "aarch64": [ "python3-unbound-1.17.1-12.oe2403.aarch64.rpm", "unbound-1.17.1-12.oe2403.aarch64.rpm", "unbound-anchor-1.17.1-12.oe2403.aarch64.rpm", "unbound-debuginfo-1.17.1-12.oe2403.aarch64.rpm", "unbound-debugsource-1.17.1-12.oe2403.aarch64.rpm", "unbound-devel-1.17.1-12.oe2403.aarch64.rpm", "unbound-help-1.17.1-12.oe2403.aarch64.rpm", "unbound-libs-1.17.1-12.oe2403.aarch64.rpm", "unbound-utils-1.17.1-12.oe2403.aarch64.rpm", "python3-unbound-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-anchor-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-debuginfo-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-debugsource-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-devel-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-help-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-libs-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-utils-1.17.1-12.oe2403sp1.aarch64.rpm", "python3-unbound-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-anchor-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-debuginfo-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-debugsource-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-devel-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-help-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-libs-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-utils-1.17.1-12.oe2403sp2.aarch64.rpm" ] }
{ "x86_64": [ "python3-unbound-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-anchor-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-debuginfo-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-debugsource-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-devel-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-help-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-libs-1.17.1-12.oe2403sp1.x86_64.rpm", "unbound-utils-1.17.1-12.oe2403sp1.x86_64.rpm" ], "src": [ "unbound-1.17.1-12.oe2403sp1.src.rpm" ], "aarch64": [ "python3-unbound-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-anchor-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-debuginfo-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-debugsource-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-devel-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-help-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-libs-1.17.1-12.oe2403sp1.aarch64.rpm", "unbound-utils-1.17.1-12.oe2403sp1.aarch64.rpm" ] }
{ "x86_64": [ "python3-unbound-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-anchor-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-debuginfo-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-debugsource-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-devel-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-help-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-libs-1.17.1-12.oe2403sp2.x86_64.rpm", "unbound-utils-1.17.1-12.oe2403sp2.x86_64.rpm" ], "src": [ "unbound-1.17.1-12.oe2403sp2.src.rpm" ], "aarch64": [ "python3-unbound-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-anchor-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-debuginfo-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-debugsource-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-devel-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-help-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-libs-1.17.1-12.oe2403sp2.aarch64.rpm", "unbound-utils-1.17.1-12.oe2403sp2.aarch64.rpm" ] }
{ "x86_64": [ "python3-unbound-1.11.0-18.oe2003sp4.x86_64.rpm", "unbound-1.11.0-18.oe2003sp4.x86_64.rpm", "unbound-debuginfo-1.11.0-18.oe2003sp4.x86_64.rpm", "unbound-debugsource-1.11.0-18.oe2003sp4.x86_64.rpm", "unbound-devel-1.11.0-18.oe2003sp4.x86_64.rpm", "unbound-help-1.11.0-18.oe2003sp4.x86_64.rpm", "unbound-libs-1.11.0-18.oe2003sp4.x86_64.rpm" ], "src": [ "unbound-1.11.0-18.oe2003sp4.src.rpm" ], "aarch64": [ "python3-unbound-1.11.0-18.oe2003sp4.aarch64.rpm", "unbound-1.11.0-18.oe2003sp4.aarch64.rpm", "unbound-debuginfo-1.11.0-18.oe2003sp4.aarch64.rpm", "unbound-debugsource-1.11.0-18.oe2003sp4.aarch64.rpm", "unbound-devel-1.11.0-18.oe2003sp4.aarch64.rpm", "unbound-help-1.11.0-18.oe2003sp4.aarch64.rpm", "unbound-libs-1.11.0-18.oe2003sp4.aarch64.rpm" ] }