CVE-2023-42363MediumMicrosoft CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Microsoft security update for CVE-2023-42363

Published
May 31, 2026
Last Modified
—

🔗 CVE IDs covered (1)

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-42363. This page also shows what EchelonGraph holds for CVE-2023-42363, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products4

  • azl3 busybox 1.36.1-12 on Azure Linux 3.0
  • azl3 busybox 1.36.1-7 on Azure Linux 3.0
  • cbl2 busybox 1.35.0-11 on CBL Mariner 2.0
  • cbl2 busybox 1.35.0-13 on CBL Mariner 2.0

✅ Updates Microsoft lists: 2 updates

2 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB articleUpdateFixed build
—Security Update1.35.0-11
—Security Update1.36.1-7

🧭 EchelonGraph on CVE-2023-42363

EchelonGraph score
5.5 MEDIUM
CISA KEV
Not listed
Fix status
A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

A use-after-free vulnerability was discovered in xasprintf function in xfuncs_printf.c:344 in BusyBox v.1.36.1.

Published by MITRE Corporation, the CVE Numbering Authority that assigned CVE-2023-42363, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (2)