Out-of-bounds Write Affecting theopolis/uefi-firmware-parser package, versions [,1.14)
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Test your applications- Snyk IDSNYK-UNMANAGED-THEOPOLISUEFIFIRMWAREPARSER-16421518
- published5 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 theopolis/uefi-firmware-parser to version 1.14 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.