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Fedora 42 Rust Components Vulnerability CVE-2026-33056 Addressed

Fedora 42 Rust Components Vulnerability CVE-2026-33056 Addressed

First seen 29 Mar 2026, 08:44 UTC • •

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ThreatCluster AI
ThreatCluster •March 30, 2026 at 08:30 UTC
  • •CVE-2026-33056 affects Fedora 42's Rust components, specifically rust-tar.
  • •Updates were released on March 22 and 23, 2026, to address the vulnerability.
  • •Users should upgrade to rust-tar 0.4.45 to mitigate potential risks.

On March 20, 2026, CVE-2026-33056 was published, affecting Fedora 42's Rust components. The vulnerability relates to the rust-tar library, which is used in building and installing C-like libraries and checking ingredients of published Rust crates. Two updates were released on March 22 and March 23, 2026, by Benjamin A. Beasley, rebuilding the affected components with rust-tar version 0.4.45 to mitigate the vulnerability. The updates include rust-cargo-c version 0.10.19-2 and rust-ingredients version 0.2.2-3. Users are advised to apply these updates using the dnf package manager to ensure their systems are secure. The updates are critical for maintaining the integrity of Rust-based applications on Fedora 42. No active exploitation has been reported at this time, but users are encouraged to remain vigilant.

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Timeline

2026-03-20
CVE-2026-33056 published
2026-03-22
Update for rust-cargo-c released
2026-03-23
Update for rust-ingredients released
2026-03-29
Articles published detailing the updates

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