CVSS Score of 10 (low)


Published Jun 20, 2023
Updated: Jan 12, 2024
CWE ID 400


CVE-2023-26433 is a vulnerability that affects multiple products, including r_8QfS, r_8QfR, r_8QfQ, and others. The vulnerability arises when processing IMAP "capabilities" responses without limiting their size. This can be exploited by an attacker with access to a rogue IMAP service to trigger excessive resource usage, potentially leading to service unavailability. To address this vulnerability, the accepted IMAP server response has been limited to a reasonable length/size. No publicly available exploits for this vulnerability are known at this time. The risk score for this vulnerability is 10 out of 10.


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