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Fwupd 2.0.21 Brings Fixes For More Than 250 Potential Security Issues Found Via AI
Written by Michael Larabel in LVFS on 23 June 2026 at 08:24 AM EDT. 6 Comments
While the Fwupd 2.1 series is the latest stable channel for this open-source firmware updating solution, Fwupd 2.0.21 was released today to backport fixes for more than 250 potential security issues recently uncovered in the codebase.
The Fwupd 2.1 series has been seeing a lot of security fixes uncovered by Anthropic's Mythos and other AI/LLM security research. Now Fwupd 2.0.21 incorporates many of those security fixes for those still relying on the Fwupd 2.0.x series, such as for Linux distributions not prone to moving to new feature release versions in their stable archives.
Red Hat's Richard Hughes who leads Linux Vendor Firmware Service (LVFS) and Fwupd development noted in today's announcement:<br>"This release backports fixes for over 250 potential security issues found using various AI security scanners over the last 3 months.
The 2.1.x releases include even more fixes and hardening work, and so most users should use those instead; this release is provided for the more conservative distros."
Fwupd 2.0.21 downloads and more details on GitHub.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.
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Fwupd 2.0.21 Brings Fixes For More Than 250 Potential Security Issues Found Via AI
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