dovecot — security advisory
Buffer overflow in the SIEVE script component (sieve/script.c), as used in cyrus-imapd in Cyrus IMAP Server 2.2.13 and 2.3.14, and Dovecot 1.0 before 1.0.4 and 1.1 before 1.1.7, allows local users to execute arbitrary code and read or modify arbitrary messages via a crafted SIEVE script, related to the incorrect use of the sizeof operator for determining buffer length, combined with an integer signedness error.
- Products
- dovecot
- Affected versions
- Not specified
- Fixed versions
- 1:1.2.1-1
- CVEs
- CVE-2009-2632
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:35 UTC · Revision 1
Source evidence
Buffer overflow in the SIEVE script component (sieve/script.c), as used in cyrus-imapd in Cyrus IMAP Server 2.2.13 and 2.3.14, and Dovecot 1.0 before 1.0.4 and 1.1 before 1.1.7, allows local users to execute arbitrary code and read or modify arbitrary messages via a crafted SIEVE script, related to the incorrect use of the sizeof operator for determining buffer length, combined with an integer signedness error.
osv:DEBIAN-CVE-2009-2632
dovecot
Fixed versions: 1:1.2.1-1
dovecot
Fixed versions: 1:1.2.1-1
dovecot
Fixed versions: 1:1.2.1-1
Complete source record
{
"id": "cfd8cb5c8c8fdd8994952426e7f10dc77a479fa921f9bdbdcc1445e02e7ff3bd",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2009-2632",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2009-2632",
"summary": "Buffer overflow in the SIEVE script component (sieve/script.c), as used in cyrus-imapd in Cyrus IMAP Server 2.2.13 and 2.3.14, and Dovecot 1.0 before 1.0.4 and 1.1 before 1.1.7, allows local users to execute arbitrary code and read or modify arbitrary messages via a crafted SIEVE script, related to the incorrect use of the sizeof operator for determining buffer length, combined with an integer signedness error.",
"evidence": "osv:DEBIAN-CVE-2009-2632",
"products": [
{
"name": {
"value": "dovecot",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.2.1-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "dovecot",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.2.1-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "dovecot",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.2.1-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2009-2632",
"aliases": [
"DEBIAN-CVE-2009-2632"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.2.1-1"
}
]
}
],
"package": {
"name": "dovecot",
"purl": "pkg:deb/debian/dovecot?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-2632.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.2.1-1"
}
]
}
],
"package": {
"name": "dovecot",
"purl": "pkg:deb/debian/dovecot?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-2632.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.2.1-1"
}
]
}
],
"package": {
"name": "dovecot",
"purl": "pkg:deb/debian/dovecot?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-2632.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
}
],
"modified": "2026-10-23T17:47:25.023212311Z",
"provider": "osv",
"upstream": [
"CVE-2009-2632"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2009-2632"
]
},
"related_cves": [
{
"value": "CVE-2009-2632",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 416811,
"published_at": "2009-09-08T23:30:00.547+00:00"
}