CVE-2024-34055

cyrus-imapd: unbounded memory allocation by sending many LITERALs in a single command

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Severity

Moderate

Red Hat Product Security

6.5

CVSS 3.1

Review impact separately from score.

Published · June 5, 2024

Updated · November 21, 2025

Description

A flaw was found in Cyrus IMAP before versions 3.8.3 and 3.10.x , and before 3.10.0-rc1. This flaw allows authenticated attackers to cause unbounded memory allocation by sending multiple LITERALs in a single command.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer