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Fedora 42 rust-below Critical Denial Of Service CVE-2026-25537

fedora
Calendar Grey February 11, 2026
Dist Fedora Esm H88
Critical update for Fedora 42 addressing stack exhaustion DoS and CVE-2026-25537 in rust-below package. Immediate action advised.
Update the time crate to version 0.3.47

Summary

below is an interactive tool to view and record historical system data. It has

support for:

- information regarding hardware resource utilization

- viewing the cgroup hierarchy

- cgroup and process information

- pressure stall information (PSI)

- record mode to record system data

- replay mode to replay historical system data

- live mode to view live system data

- dump subcommand to report script-friendly information (e.g. JSON and CSV)

below does not have support for cgroup1.

The name "below" stems from the fact that the below developers rejected many of

atop's design and style decisions.

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 fedora update stack exhaustion rust-below

Change Log

* Sat Feb 7 2026 Fabio Valentini - 0.9.0-6 - Rebuild for RUSTSEC-2026-{0007,0008,0009} and CVE-2026-25537 * Sat Jan 17 2026 Fedora Release Engineering - 0.9.0-5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild

References


[ 1 ] Bug #2437465 - CVE-2026-25537 rust-jsonwebtoken: jsonwebtoken has Type Confusion that leads to potential authorization bypass [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2437465 [ 2 ] Bug #2437467 - CVE-2026-25537 uv: jsonwebtoken has Type Confusion that leads to potential authorization bypass [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2437467 [ 3 ] Bug #2438046 - CVE-2026-25727 atuin: time affected by a stack exhaustion denial of service attack [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2438046 [ 4 ] Bug #2438075 - CVE-2026-25727 keylime-agent-rust: time affected by a stack exhaustion denial of service attack [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2438075 [ 5 ] Bug #2438077 - CVE-2026-25727 maturin: time affected by a stack exhaustion denial of service attack [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2438077 [ 6 ] Bug #2438086 - 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-2026-6388b28850' 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: rust-below
Product: Fedora 42
Version: 0.9.0
Release: 6.fc42
URL: https://crates.io/crates/below
Summary: Interactive tool to view and record historical system data

Topics%20covered

Topics Covered

security advisory denial of service fedora update stack exhaustion rust-below

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