CVE-2023-49557MediumMicrosoft CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Microsoft advisory for CVE-2023-49557

Published
September 3, 2025
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2023-49557 →

📋 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-2023-49557. This page also shows what EchelonGraph holds for CVE-2023-49557, 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 products2

  • azl3 yasm 1.3.0-17 on Azure Linux 3.0
  • cbl2 yasm 1.3.0-17 on CBL Mariner 2.0

🧭 EchelonGraph on CVE-2023-49557

EchelonGraph score
5.5 MEDIUM
CISA KEV
Not listed
Fix status
No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

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

An issue in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the yasm_section_bcs_first function in the libyasm/section.c component.

Published by MITRE Corporation, the CVE Numbering Authority that assigned CVE-2023-49557, 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 (1)