A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new variable, it tries to print an error message to the user; however, the number of parameters used by the logging function doesn't match the format string used by it, leading to a crash under certain circumstances.
Published 2024-01-29 17:15:08
Updated 2024-09-16 19:16:06
Source Red Hat, Inc.
View at NVD,   CVE.org

Products affected by CVE-2023-40546

Exploit prediction scoring system (EPSS) score for CVE-2023-40546

0.07%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-40546

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.5
MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1.8
3.6
NIST 2024-02-05
6.2
MEDIUM CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.5
3.6
Red Hat, Inc. 2024-01-29

CWE ids for CVE-2023-40546

  • The product dereferences a pointer that it expects to be valid but is NULL.
    Assigned by:
    • nvd@nist.gov (Primary)
    • secalert@redhat.com (Secondary)

References for CVE-2023-40546

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