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Fedora 43 tbtools CVE-2026

Linuxsecurity •LinuxSecurity Advisories • February 10, 2026

This is a collection of tools for Linux Thunderbolt/USB4 development, debugging and validation but may be useful to others as well. 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.

This is a collection of tools for Linux Thunderbolt/USB4 development, debugging

and validation but may be useful to others as well.

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.

* Sun Feb 8 2026 Alexander F. Lent - 0.7.0-2 - Rebuild for RUSTSEC-2026-0009 (dep on rust-time)

[ 1 ] Bug #2437470 - CVE-2026-25537 rust-jsonwebtoken: jsonwebtoken has Type Confusion that leads to potential authorization bypass [fedora-43] [ 2 ] Bug #2437472 - CVE-2026-25537 uv: jsonwebtoken has Type Confusion that leads to potential authorization bypass [fedora-43] [ 3 ] Bug #2438104 - CVE-2026-25727 atuin: time affected by a stack exhaustion denial of service attack [fedora-43] [ 4 ] Bug #2438135 - CVE-2026-25727 keylime-agent-rust: time affected by a stack exhaustion denial of service attack [fedora-43] [ 5 ] Bug #2438138 - CVE-2026-25727 maturin: time affected by a stack exhaustion denial of service attack [fedora-43] [ 6 ] Bug #2438149 - CVE-2026-25727 rus... Read the Full Advisory

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

The full story

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

Multiple CVEs Affect Fedora 43 with Security Updates Fedora 43 has released updates addressing multiple security vulnerabilities, including CVE-2026-25537 and others related to various crates. Affected components include the time, git2, and bytes crates, with updates provided to mitigate risks associated with these vulnerabilities. 9 sources 26

Extracted Entities

Attack Types (1)

Denial of Service

CVEs (2)

CVE-2026-25537 CVE-2026-25727