CVE-2017-20230CriticalMicrosoft CVSS 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Microsoft advisory for CVE-2017-20230

Published
June 2, 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-2017-20230. This page also shows what EchelonGraph holds for CVE-2017-20230, 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 perl 5.38.2-509 on Azure Linux 3.0
  • cbl2 perl 5.34.1-491 on CBL Mariner 2.0

🧭 EchelonGraph on CVE-2017-20230

EchelonGraph score
10.0 CRITICAL
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

Storable versions before 3.05 for Perl has a stack overflow. The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.

Published by CPAN Security Group, the CVE Numbering Authority that assigned CVE-2017-20230, 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)