FKIE_CVE-2023-40551

Vulnerability from fkie_nvd - Published: 2024-01-29 17:15 - Updated: 2026-06-17 06:18
Severity
5.1 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
5.1 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
Summary
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.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1834
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1835
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1873
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1876
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1883
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1902
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1903
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1959
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:2086
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-40551Vendor Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2259918Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:1834
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:1835
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:1873
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:1876
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:1883
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:1902
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:1903
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:1959
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:2086
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-40551Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2259918Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html
Impacted products
Vendor Product Version
redhat shim *
fedoraproject fedora 39
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0
To clipboard 

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  "cveTags": [],
  "descriptions": [
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    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 un fallo en el formato binario MZ en Shim. Es posible que se produzca una lectura fuera de los l\u00edmites, lo que provocar\u00e1 un bloqueo o una posible exposici\u00f3n de datos confidenciales durante la fase de inicio del sistema."
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  "id": "CVE-2023-40551",
  "lastModified": "2026-06-17T06:18:26.513",
  "metrics": {
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}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.