MediumFix available
tiff — security advisory
LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.
- Products
- tiff
- Affected versions
- 4.5.0-6
- Fixed versions
- 4.5.0-6+deb12u1, 4.5.1+git230720-1
- CVEs
- CVE-2023-40745
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:57 UTC · Revision 1
Source evidence
LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.
osv:DEBIAN-CVE-2023-40745
tiff
Fixed versions: 4.5.0-6+deb12u1
tiff
Fixed versions: 4.5.1+git230720-1
tiff
Fixed versions: 4.5.1+git230720-1
Complete source record
{
"id": "7ce0645083f3b950cb446e446bad1310ecb416ae72001f9c611a5dacdf40bf63",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-40745",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-40745",
"summary": "LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.",
"evidence": "osv:DEBIAN-CVE-2023-40745",
"products": [
{
"name": {
"value": "tiff",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.5.0-6+deb12u1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "4.5.0-6",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "tiff",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.5.1+git230720-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tiff",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.5.1+git230720-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2023-40745",
"aliases": [
"DEBIAN-CVE-2023-40745"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.5.0-6+deb12u1"
}
]
}
],
"package": {
"name": "tiff",
"purl": "pkg:deb/debian/tiff?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"4.5.0-6"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-40745.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.5.1+git230720-1"
}
]
}
],
"package": {
"name": "tiff",
"purl": "pkg:deb/debian/tiff?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-40745.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.5.1+git230720-1"
}
]
}
],
"package": {
"name": "tiff",
"purl": "pkg:deb/debian/tiff?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-40745.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:02:32.467916Z",
"provider": "osv",
"upstream": [
"CVE-2023-40745"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-40745"
]
},
"related_cves": [
{
"value": "CVE-2023-40745",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 456213,
"published_at": "2023-10-05T19:15:11.26+00:00"
}