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Vulnerability record · CVE-2026-44756 · published 8 September 2026

CVE-2026-44756: Classic buffer overflow vulnerability

A memory safety vulnerability exists in the Extended Passport Protocol (EPP) processing library. Under specific conditions, an unauthenticated attacker could exploit a crafted network request containing a malformed EPP header, potentially resulting in undefined behavior and abnormal program termination. Successful exploitation may have a high impact on the confidentiality, integrity, and availability of the application.

10.0 CVSS 3.1 Critical EPSS 0.68% · top 49.6% CWE-120 · Classic buffer overflow Awaiting Analysis
10.0CVSS 3.1 base score
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
22 Sep 2026Last modified by NVD

Description

A memory safety vulnerability exists in the Extended Passport Protocol (EPP) processing library. Under specific conditions, an unauthenticated attacker could exploit a crafted network request containing a malformed EPP header, potentially resulting in undefined behavior and abnormal program termination. Successful exploitation may have a high impact on the confidentiality, integrity, and availability of the application.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

LinkTags
https://me.sap.com/notes/3747649
https://url.sap/sapsecuritypatchday
http://seclists.org/fulldisclosure/2026/Sep/65

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Source: NIST National Vulnerability Database (record CVE-2026-44756), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.