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Alerts This Week
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Debian 11: DLA-4207-1 critical: edk2 buffer overflow and DoS issues

debian lts
Calendar Grey June 5, 2025
Dist Debian Esm H88
Numerous security flaws in edk2 firmware addressed. Ensure you upgrade to version 2020.11-2+deb11u4 to mitigate possible threats.
Multiple security vulnerabilities have been fixed in EDK II, a modern, feature-rich, cross-platform firmware development environment
Topics%20covered

Topics Covered

security advisory denial of service buffer overflow code execution debian edk2

Summary

For Debian 11 bullseye, these problems have been fixed in version
2020.11-2+deb11u3.

We recommend that you upgrade your edk2 packages.

For the detailed security status of edk2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/edk2

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
critical
Lowest
Low
Medium
High
Critical

Package: edk2
Version: 2020.11-2+deb11u3
CVE ID: CVE-2021-28216 CVE-2021-38575 CVE-2021-38576 CVE-2021-38578
Debian Bug: 1014468 1060408 1084055 1061256

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow code execution debian edk2

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