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Fedora 45 rust-hickory-resolver Update 0.26.2 Security Fix RHBZ#2528212

Linuxsecurity •LinuxSecurity Advisories • September 14, 2026

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Hickory-resolver is a safe and secure DNS stub resolver library intended

to be a high-level library for DNS record resolution.

Update hickory-dns crates to version 0.26.2. This includes fixes for a large number of security relevant bugs. Release notes: Rebuild tracker:

* Sat Sep 5 2026 Fabio Valentini - 0.26.2-1 - Update to version 0.26.2; Fixes RHBZ#2528212

Fedora Update Notification FEDORA-2026-37e598af67 2026-09-14 00:14:56.461338+00:00 Name : rust-hickory-resolver Product : Fedora 45 Version : 0.26.2 Release : 1.fc45 URL : Summary : Hickory-resolver is a safe and secure DNS stub resolver library Description : Hickory-resolver is a safe and secure DNS stub resolver library intended to be a high-level library for DNS record resolution.

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-37e598af67' at the command line. For more information, refer to the dnf documentation available at

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Multiple Fedora Rust Libraries Receive Critical Security Updates On September 14, 2026, multiple security advisories were issued for Fedora's Rust libraries, including rust-hickory-proto, rust-hickory-net, and rust-hickory-resolver. These updates address numerous security vulnerabilities, particularly in DNS-related functionalities. The affected versions include Fedora 43, 44, and 45, with updates to version 0.26.2 across the libraries. The updates fix security bugs identified in the Red Hat Bugzilla system, with specific references to RHBZ#2528210, RHBZ#2528211, and RHBZ#2528212. Users are urged to apply these updates promptly using the 'dnf' package manager. The advisories emphasize the importance of maintaining secure and up-to-date systems. There are no reports of active exploitation at this time, but the vulnerabilities are significant enough to warrant immediate attention. 10 sources 46

Fedora 45 rust-hickory-resolver Update 0.26.2 Security Fix RHBZ#2528212

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