UnratedFix available
libgd2 — security advisory
The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a denial of service (CPU consumption) via a crafted PNG image with truncated data, which causes an infinite loop in the png_read_info function in libpng.
- Products
- libgd2
- Affected versions
- Not specified
- Fixed versions
- 2.0.35.dfsg-1
- CVEs
- CVE-2007-2756
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 15:47 UTC · Revision 1
Source evidence
The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a denial of service (CPU consumption) via a crafted PNG image with truncated data, which causes an infinite loop in the png_read_info function in libpng.
osv:DEBIAN-CVE-2007-2756
libgd2
Fixed versions: 2.0.35.dfsg-1
libgd2
Fixed versions: 2.0.35.dfsg-1
libgd2
Fixed versions: 2.0.35.dfsg-1
Complete source record
{
"id": "3d449d9d640bc483e17fdcfa237ad9f40fee29083746edff2ef87b30c2a34e74",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-2756",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2007-2756",
"summary": "The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a denial of service (CPU consumption) via a crafted PNG image with truncated data, which causes an infinite loop in the png_read_info function in libpng.",
"evidence": "osv:DEBIAN-CVE-2007-2756",
"products": [
{
"name": {
"value": "libgd2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.0.35.dfsg-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libgd2",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.0.35.dfsg-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libgd2",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.0.35.dfsg-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2007-2756",
"aliases": [
"DEBIAN-CVE-2007-2756"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.35.dfsg-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-2007-2756.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
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}
]
}
],
"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-2007-2756.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.35.dfsg-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-2007-2756.json"
},
"ecosystem_specific": {
"urgency": "low"
}
}
],
"modified": "2026-10-21T17:47:39.231262694Z",
"provider": "osv",
"upstream": [
"CVE-2007-2756"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2007-2756"
]
},
"related_cves": [
{
"value": "CVE-2007-2756",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 398422,
"published_at": "2007-05-18T18:30:00+00:00"
}