Out-of-bounds Write Affecting uefi-firmware package, versions [,1.15)
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- published6 May 2026
- disclosed16 Apr 2026
- creditOleh Konko
Introduced: 16 Apr 2026
CVE NOT AVAILABLE CWE-787 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade uefi-firmware to version 1.15 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Write in the ReadCLen function of the Tiano decompressor. An attacker can cause a crash by supplying specially crafted compressed firmware data that triggers a heap out-of-bounds write during decompression.