Out-of-bounds Read Affecting shim package, versions <15.8-1~deb12u1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-DEBIAN12-SHIM-6190471
  • published25 Jan 2024
  • disclosed29 Jan 2024

Introduced: 25 Jan 2024

CVE-2023-40551  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Debian:12 shim to version 15.8-1~deb12u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream shim package and not the shim package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

A flaw was found in the MZ binary format in Shim. An out-of-bounds read may occur, leading to a crash or possible exposure of sensitive data during the system's boot phase.

CVSS Scores

version 3.1