Dovecot CVE-2024-23185: Very large headers can cause resource exhaustion when parsing message

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Posted by Aki Tuomi via Fulldisclosure on Aug 17

Affected product: Dovecot IMAP Server
Internal reference: DOV-6601
Vulnerability type: CWE-770 (Allocation of Resources Without Limits or Throttling)
Vulnerable version: 2.2, 2.3
Vulnerable component: lib-mail
Report confidence: Confirmed
Solution status: Fixed in 2.3.21.1
Researcher credits: Vendor internal discovery
Vendor notification: 2024-01-31
CVE reference: CVE-2024-23185
CVSS: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)…

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