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cyrus-imapd — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2021-32056

Cyrus IMAP before 3.2.7, and 3.3.x and 3.4.x before 3.4.1, allows remote authenticated users to bypass intended access restrictions on server annotations and consequently cause replication to stall.

Products
cyrus-imapd
Affected versions
Not specified
Fixed versions
3.2.6-2
CVEs
CVE-2021-32056
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 02:01 UTC · Revision 1

Source evidence

DEBIAN-CVE-2021-32056

core-osv · Original source

Published 10 May 2021, 14:15 UTC

Cyrus IMAP before 3.2.7, and 3.3.x and 3.4.x before 3.4.1, allows remote authenticated users to bypass intended access restrictions on server annotations and consequently cause replication to stall.

osv:DEBIAN-CVE-2021-32056

cyrus-imapd

Fixed versions: 3.2.6-2

cyrus-imapd

Fixed versions: 3.2.6-2

cyrus-imapd

Fixed versions: 3.2.6-2

Complete source record
{
  "id": "53a2a40117a520202cebb398b192bb37e3b5bc90d87b463ebb6fc5e1e84f7f36",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-32056",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2021-32056",
    "summary": "Cyrus IMAP before 3.2.7, and 3.3.x and 3.4.x before 3.4.1, allows remote authenticated users to bypass intended access restrictions on server annotations and consequently cause replication to stall.",
    "evidence": "osv:DEBIAN-CVE-2021-32056",
    "products": [
      {
        "name": {
          "value": "cyrus-imapd",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.2.6-2",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "cyrus-imapd",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.2.6-2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "cyrus-imapd",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.2.6-2",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "DEBIAN-CVE-2021-32056",
      "aliases": [
        "DEBIAN-CVE-2021-32056"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.2.6-2"
                }
              ]
            }
          ],
          "package": {
            "name": "cyrus-imapd",
            "purl": "pkg:deb/debian/cyrus-imapd?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-32056.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.2.6-2"
                }
              ]
            }
          ],
          "package": {
            "name": "cyrus-imapd",
            "purl": "pkg:deb/debian/cyrus-imapd?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-32056.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.2.6-2"
                }
              ]
            }
          ],
          "package": {
            "name": "cyrus-imapd",
            "purl": "pkg:deb/debian/cyrus-imapd?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-32056.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-23T18:05:22.826021785Z",
      "provider": "osv",
      "upstream": [
        "CVE-2021-32056"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2021-32056"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2021-32056",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 424345,
  "published_at": "2021-05-10T14:15:07.577+00:00"
}