PT-2026-4865 · Unknown+1 · Cloverbootloader+1

Titan Team · Published 2026-01-27 · Updated 2026-01-27 · CVE-2026-24796

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:C/RE:L/U:Amber

Name of the Vulnerable Software and Affected Versions CloverBootloader versions prior to 5162

Description An out-of-bounds read issue exists in the CloverBootloader, specifically within the regparse.C program file and the Oniguruma modules of the MdeModulePkg/Universal/RegularExpressionDxe component.

Recommendations Update CloverBootloader to version 5162 or later.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2026-24796

Affected Products

Cloverbootloader

Mdemodulepkg/Universal/Regularexpressiondxe

References · 4

• https://github.com/CloverHackyColor/CloverBootloader/pull/732 · Patch
• https://osv.dev/vulnerability/CVE-2026-24796 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-24796 · Security Note
• https://twitter.com/CVEnew/status/2016073220122710124 · Twitter Post