🛡️ USN-7224-1 — cyrus-imapd

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

cyrus-imapd vulnerabilities

It was discovered that non-authentication-related HTTP requests could be

interpreted in an authentication context by a Cyrus IMAP Server when

multiple requests arrived over the same connection. An unauthenticated

attacker could possibly use this issue to perform a privilege escalation

attack. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-18928)

Matthew Horsfall discovered that Cyrus IMAP Server utilized a poor string

hashing algorithm that could be abused to control where data was being

stored. An attacker could possibly use this issue to perform a denial of

service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.

(CVE-2021-33582)

Damian Poddebniak discovered that Cyrus IMAP Server could interpret

specially crafted commands to exploit a memory issue. An authenticated

attacker could possibly use this issue to perform a denial of service.

This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS.

(CVE-2024-34055)

Affected software

USN-7224-1 is recorded against 1 package.

  • cyrus-imapd (fixed in 3.8.2-1ubuntu0.1~esm1)

Timeline and source

Published on 22 January 2025 and last revised on 27 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Advisory)
ubuntu.com (Report)
ubuntu.com (Report)
ubuntu.com (Report)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2025-01-22
Updated 2026-08-12
Modified 2026-04-27
Fix URL N/A

Affected Packages

Software From version Fixed in
cyrus-imapd — 3.8.2-1ubuntu0.1~esm1

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