thunderbird — security advisory
The HTML rendering engine in Mozilla Thunderbird 1.5, when "Block loading of remote images in mail messages" is enabled, does not properly block external images from inline HTML attachments, which could allow remote attackers to obtain sensitive information, such as application version or IP address, when the user reads the email and the external image is accessed.
- Products
- thunderbird
- Affected versions
- Not specified
- Fixed versions
- 1.5.0.2-1
- CVEs
- CVE-2006-1045
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 20:11 UTC · Revision 1
Source evidence
The HTML rendering engine in Mozilla Thunderbird 1.5, when "Block loading of remote images in mail messages" is enabled, does not properly block external images from inline HTML attachments, which could allow remote attackers to obtain sensitive information, such as application version or IP address, when the user reads the email and the external image is accessed.
osv:DEBIAN-CVE-2006-1045
thunderbird
Fixed versions: 1.5.0.2-1
thunderbird
Fixed versions: 1.5.0.2-1
thunderbird
Fixed versions: 1.5.0.2-1
Complete source record
{
"id": "029d67ac162ce321930af8d9cf4e7888019cba85837f6b7c61009b7a150029b7",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2006-1045",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2006-1045",
"summary": "The HTML rendering engine in Mozilla Thunderbird 1.5, when \"Block loading of remote images in mail messages\" is enabled, does not properly block external images from inline HTML attachments, which could allow remote attackers to obtain sensitive information, such as application version or IP address, when the user reads the email and the external image is accessed.",
"evidence": "osv:DEBIAN-CVE-2006-1045",
"products": [
{
"name": {
"value": "thunderbird",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0.2-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "thunderbird",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0.2-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "thunderbird",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0.2-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2006-1045",
"aliases": [
"DEBIAN-CVE-2006-1045"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0.2-1"
}
]
}
],
"package": {
"name": "thunderbird",
"purl": "pkg:deb/debian/thunderbird?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-1045.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0.2-1"
}
]
}
],
"package": {
"name": "thunderbird",
"purl": "pkg:deb/debian/thunderbird?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-1045.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0.2-1"
}
]
}
],
"package": {
"name": "thunderbird",
"purl": "pkg:deb/debian/thunderbird?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-1045.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-22T23:47:23.033851960Z",
"provider": "osv",
"upstream": [
"CVE-2006-1045"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2006-1045"
]
},
"related_cves": [
{
"value": "CVE-2006-1045",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 410381,
"published_at": "2006-03-07T11:02:00+00:00"
}