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Fedora 43 Atuin Critical DoS Risk Update CVE-2026-25537

fedora
Calendar Grey February 10, 2026
Dist Fedora Esm H88
Fedora 43 update for atuin addresses serious DoS risk and updates several crates, including time and git2.
Update the time crate to version 0.3.47

Summary

Atuin replaces your existing shell history with a SQLite database, and records

additional context for your commands. Additionally, it provides optional and

fully encrypted synchronization of your history between machines, via an Atuin

server.

Update Information:

Update the time crate to version 0.3.47. Update the time-macros crate to version 0.2.27. Update the time-core crate to version 0.1.8. Update the num-conv crate to version 0.2.0. Update the git2 crate to version 0.20.4. Update the bytes crate to version 1.11.1. Additionally, this update contains rebuilds of applications affected by security advisories: bytes: RUSTSEC-2026-0007 git2: RUSTSEC-2026-0008 jsonwebtoken: CVE-2026-25537 time: RUSTSEC-2026-0009 All applications that statically link libgit2 via the git2 Rust bindings were also rebuilt against the latest version of the git2 / libgit2-sys crates to pull in fixes included in libgit2 between v1.8.1 and v1.9.2.

Topics%20covered

Topics Covered

security advisory denial of service security issue fedora atuin cve-2026-25537

Change Log

* Sun Feb 8 2026 Benjamin A. Beasley - 18.6.1-10 - Rebuild for RUSTSEC-2026-{0007,0008,0009} and CVE-2026-25537

References


[ 1 ] Bug #2437470 - CVE-2026-25537 rust-jsonwebtoken: jsonwebtoken has Type Confusion that leads to potential authorization bypass [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2437470 [ 2 ] Bug #2437472 - CVE-2026-25537 uv: jsonwebtoken has Type Confusion that leads to potential authorization bypass [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2437472 [ 3 ] Bug #2438104 - CVE-2026-25727 atuin: time affected by a stack exhaustion denial of service attack [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2438104 [ 4 ] Bug #2438135 - CVE-2026-25727 keylime-agent-rust: time affected by a stack exhaustion denial of service attack [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2438135 [ 5 ] Bug #2438138 - CVE-2026-25727 maturin: time affected by a stack exhaustion denial of service attack [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2438138 [ 6 ] Bug #2438149 - CVE-2026-25727 rus...

Read the Full Advisory

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-f400579a21' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
critical
Lowest
Low
Medium
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Critical

Name: atuin
Product: Fedora 43
Version: 18.6.1
Release: 10.fc43
URL: https://atuin.sh
Summary: Magical shell history

Topics%20covered

Topics Covered

security advisory denial of service security issue fedora atuin cve-2026-25537

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