UnratedFix available
libgd2, xloadimage — security advisory
Buffer overflow in the LWZReadByte_ function in ext/gd/libgd/gd_gif_in.c in the GD extension in PHP before 5.1.5 allows remote attackers to have an unknown impact via a GIF file with input_code_size greater than MAX_LWZ_BITS, which triggers an overflow when initializing the table array.
- Products
- libgd2, xloadimage
- Affected versions
- 4.1-25, 4.1-26, 4.1-27
- Fixed versions
- 2.0.33-5.1
- CVEs
- CVE-2006-4484
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 20:12 UTC · Revision 1
Source evidence
Buffer overflow in the LWZReadByte_ function in ext/gd/libgd/gd_gif_in.c in the GD extension in PHP before 5.1.5 allows remote attackers to have an unknown impact via a GIF file with input_code_size greater than MAX_LWZ_BITS, which triggers an overflow when initializing the table array.
osv:DEBIAN-CVE-2006-4484
libgd2
Fixed versions: 2.0.33-5.1
libgd2
Fixed versions: 2.0.33-5.1
libgd2
Fixed versions: 2.0.33-5.1
xloadimage
Fixed versions: Not specified
xloadimage
Fixed versions: Not specified
xloadimage
Fixed versions: Not specified
Complete source record
{
"id": "8961376c822f93f7784263f337a46c239abe6d9247a3d7438e5c6d9c63d4642e",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2006-4484",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2006-4484",
"summary": "Buffer overflow in the LWZReadByte_ function in ext/gd/libgd/gd_gif_in.c in the GD extension in PHP before 5.1.5 allows remote attackers to have an unknown impact via a GIF file with input_code_size greater than MAX_LWZ_BITS, which triggers an overflow when initializing the table array.",
"evidence": "osv:DEBIAN-CVE-2006-4484",
"products": [
{
"name": {
"value": "libgd2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.0.33-5.1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libgd2",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.0.33-5.1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libgd2",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.0.33-5.1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xloadimage",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.1-25",
"evidence": "/affected/3/versions"
},
{
"value": "4.1-26",
"evidence": "/affected/3/versions"
},
{
"value": "4.1-27",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "xloadimage",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.1-26",
"evidence": "/affected/4/versions"
},
{
"value": "4.1-27",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "xloadimage",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.1-26",
"evidence": "/affected/5/versions"
},
{
"value": "4.1-27",
"evidence": "/affected/5/versions"
}
]
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2006-4484",
"aliases": [
"DEBIAN-CVE-2006-4484"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.33-5.1"
}
]
}
],
"package": {
"name": "libgd2",
"purl": "pkg:deb/debian/libgd2?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4484.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.33-5.1"
}
]
}
],
"package": {
"name": "libgd2",
"purl": "pkg:deb/debian/libgd2?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4484.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.33-5.1"
}
]
}
],
"package": {
"name": "libgd2",
"purl": "pkg:deb/debian/libgd2?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4484.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "xloadimage",
"purl": "pkg:deb/debian/xloadimage?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"4.1-25",
"4.1-26",
"4.1-27"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4484.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "xloadimage",
"purl": "pkg:deb/debian/xloadimage?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"4.1-26",
"4.1-27"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4484.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "xloadimage",
"purl": "pkg:deb/debian/xloadimage?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"4.1-26",
"4.1-27"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4484.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-22T23:47:23.299099354Z",
"provider": "osv",
"upstream": [
"CVE-2006-4484"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2006-4484"
]
},
"related_cves": [
{
"value": "CVE-2006-4484",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 410394,
"published_at": "2006-08-31T21:04:00+00:00"
}