Debian 13.6 security update patches over a hundred advisories in trixie
Debian 13.6 has been released to address over a hundred security advisories, including critical fixes for UEFI Secure Boot certificate expiration. The update also includes patches for the curl library and adjustments to geo-database licensing.
Why it matters
System administrators and Linux users must apply these updates to maintain system security and prevent boot failures caused by expired certificates.
Debian 13.6 security update patches over a hundred advisories in trixie Most PCs still run with a UEFI Secure Boot certificate authority, installed by default since 2013, that has now expired. That certificate signed the bootloaders letting machines start with Secure Boot turned on. Its expiry sits at the center of the sixth update to Debian 13, codenamed “trixie.” The point release carries mostly security corrections along with a few fixes for serious problems.
Technical reporting focused on software maintenance and security patches.
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