CVE-2021-33582

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Source
https://cve.org/CVERecord?id=CVE-2021-33582
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33582.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-33582
Downstream
Related
Published
2021-09-01T06:15:06.387Z
Modified
2026-07-08T05:57:08.168877708Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Cyrus IMAP before 3.4.2 allows remote attackers to cause a denial of service (multiple-minute daemon hang) via input that is mishandled during hash-table interaction. Because there are many insertions into a single bucket, strcmp becomes slow. This is fixed in 3.4.2, 3.2.8, and 3.0.16.

Database specific 
{
    "unresolved_ranges": [
        {
            "vendor_product": "debian:debian_linux",
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "9.0"
                },
                {
                    "last_affected": "9.0"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "vendor_product": "fedoraproject:fedora",
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "34"
                },
                {
                    "last_affected": "34"
                },
                {
                    "introduced": "35"
                },
                {
                    "last_affected": "35"
                }
            ],
            "source": "CPE_STRING"
        }
    ]
}
References

Affected packages

Git / github.com/cyrusimap/cyrus-imapd

Affected ranges

Type
GIT
Repo
https://github.com/cyrusimap/cyrus-imapd
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
12613ed72ab13e0b74ad59fe25bbbbe87bd08c68
Introduced
8d68baad0cb14f102cce2137f9d06f04adc5c424
Fixed
3262e71e98af21bd0d6f5553cb8c26cb09e79ded
Introduced
73199a602f8ab51cc8cb06e921c5810b87df4725
Fixed
4e1859e928d72b6dd746eb2a27f6643883b4b02c
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:cyrus:imap:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.0.16"
        },
        {
            "introduced": "3.2.0"
        },
        {
            "fixed": "3.2.8"
        },
        {
            "introduced": "3.4.0"
        },
        {
            "fixed": "3.4.2"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

cyrus-imapd-2.*
cyrus-imapd-2.4.0
cyrus-imapd-2.4.1
cyrus-imapd-2.4.2
cyrus-imapd-2.5-snapshot-autoconf-and-automake
cyrus-imapd-3.*
cyrus-imapd-3.0.0
cyrus-imapd-3.0.0-beta1
cyrus-imapd-3.0.0-beta2
cyrus-imapd-3.0.0-beta3
cyrus-imapd-3.0.0-beta4
cyrus-imapd-3.0.0-beta5
cyrus-imapd-3.0.0-beta6
cyrus-imapd-3.0.0-rc1
cyrus-imapd-3.0.0-rc2
cyrus-imapd-3.0.0-rc3
cyrus-imapd-3.0.0-rc4
cyrus-imapd-3.0.1
cyrus-imapd-3.0.10
cyrus-imapd-3.0.11
cyrus-imapd-3.0.12
cyrus-imapd-3.0.13
cyrus-imapd-3.0.14
cyrus-imapd-3.0.15
cyrus-imapd-3.0.2
cyrus-imapd-3.0.3
cyrus-imapd-3.0.4
cyrus-imapd-3.0.5
cyrus-imapd-3.0.6
cyrus-imapd-3.0.7
cyrus-imapd-3.0.8
cyrus-imapd-3.0.9
cyrus-imapd-3.2.0
cyrus-imapd-3.2.1
cyrus-imapd-3.2.2
cyrus-imapd-3.2.3
cyrus-imapd-3.2.4
cyrus-imapd-3.2.5
cyrus-imapd-3.2.6
cyrus-imapd-3.2.7
cyrus-imapd-3.4.0
cyrus-imapd-3.4.1
Other
posttab
pretab

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33582.json"