When adding an external mail account, processing of SMTP "capabilities" responses are not limited to plausible sizes. Attacker with access to a rogue SMTP service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted SMTP server response to reasonable length/size. No publicly available exploits are known.
CVE ID: CVE-2023-26432
CVSS Base Severity: MEDIUM
CVSS Base Score: 4.3
Vendor: OX Software GmbH
Product: OX App Suite
EPSS Score: 0.17% (probability of being exploited)
EPSS Percentile: 54.97% (scored less or equal to compared to others)
EPSS Date: 2025-02-03 (when was this score calculated)