High
tiff — security advisory
An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image
- Products
- tiff
- Affected versions
- 4.5.0-6, 4.5.0-6+deb12u1, 4.5.0-6+deb12u2, 4.5.0-6+deb12u3, 4.5.0-6+deb12u4, 4.5.1+git230720-1, 4.5.1+git230720-2, 4.5.1+git230720-3, 4.5.1+git230720-4, 4.5.1+git230720-5, 4.5.1-1, 4.5.1~rc3-1, 4.6.0-1, 4.6.0-2, 4.7.0-1, 4.7.0-2, 4.7.0-3, 4.7.0-3+deb13u1, 4.7.0-3+deb13u2, 4.7.0-3+deb13u3, 4.7.0-4, 4.7.0-5, 4.7.1-1, 4.7.1-2, 4.7.1-3, 4.7.2-1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-52492
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 09:03 UTC · Revision 1
Source evidence
An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image
osv:DEBIAN-CVE-2026-52492
tiff
Fixed versions: Not specified
tiff
Fixed versions: Not specified
tiff
Fixed versions: Not specified
Complete source record
{
"id": "5a8a176075efccce0e420e87f8ef5623084500dfebdec899ad77828b19bff12e",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-52492",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-52492",
"summary": "An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image",
"evidence": "osv:DEBIAN-CVE-2026-52492",
"products": [
{
"name": {
"value": "tiff",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.5.0-6",
"evidence": "/affected/0/versions"
},
{
"value": "4.5.0-6+deb12u1",
"evidence": "/affected/0/versions"
},
{
"value": "4.5.0-6+deb12u2",
"evidence": "/affected/0/versions"
},
{
"value": "4.5.0-6+deb12u3",
"evidence": "/affected/0/versions"
},
{
"value": "4.5.0-6+deb12u4",
"evidence": "/affected/0/versions"
},
{
"value": "4.5.1+git230720-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.5.1+git230720-2",
"evidence": "/affected/0/versions"
},
{
"value": "4.5.1+git230720-3",
"evidence": "/affected/0/versions"
},
{
"value": "4.5.1+git230720-4",
"evidence": "/affected/0/versions"
},
{
"value": "4.5.1+git230720-5",
"evidence": "/affected/0/versions"
},
{
"value": "4.5.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.5.1~rc3-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.6.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.6.0-2",
"evidence": "/affected/0/versions"
},
{
"value": "4.7.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.7.0-2",
"evidence": "/affected/0/versions"
},
{
"value": "4.7.0-3",
"evidence": "/affected/0/versions"
},
{
"value": "4.7.0-4",
"evidence": "/affected/0/versions"
},
{
"value": "4.7.0-5",
"evidence": "/affected/0/versions"
},
{
"value": "4.7.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.7.1-2",
"evidence": "/affected/0/versions"
},
{
"value": "4.7.1-3",
"evidence": "/affected/0/versions"
},
{
"value": "4.7.2-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "tiff",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.7.0-3",
"evidence": "/affected/1/versions"
},
{
"value": "4.7.0-3+deb13u1",
"evidence": "/affected/1/versions"
},
{
"value": "4.7.0-3+deb13u2",
"evidence": "/affected/1/versions"
},
{
"value": "4.7.0-3+deb13u3",
"evidence": "/affected/1/versions"
},
{
"value": "4.7.0-4",
"evidence": "/affected/1/versions"
},
{
"value": "4.7.0-5",
"evidence": "/affected/1/versions"
},
{
"value": "4.7.1-1",
"evidence": "/affected/1/versions"
},
{
"value": "4.7.1-2",
"evidence": "/affected/1/versions"
},
{
"value": "4.7.1-3",
"evidence": "/affected/1/versions"
},
{
"value": "4.7.2-1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "tiff",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.7.0-3",
"evidence": "/affected/2/versions"
},
{
"value": "4.7.0-4",
"evidence": "/affected/2/versions"
},
{
"value": "4.7.0-5",
"evidence": "/affected/2/versions"
},
{
"value": "4.7.1-1",
"evidence": "/affected/2/versions"
},
{
"value": "4.7.1-2",
"evidence": "/affected/2/versions"
},
{
"value": "4.7.1-3",
"evidence": "/affected/2/versions"
},
{
"value": "4.7.2-1",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2026-52492",
"aliases": [
"DEBIAN-CVE-2026-52492"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "tiff",
"purl": "pkg:deb/debian/tiff?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"4.5.0-6",
"4.5.0-6+deb12u1",
"4.5.0-6+deb12u2",
"4.5.0-6+deb12u3",
"4.5.0-6+deb12u4",
"4.5.1+git230720-1",
"4.5.1+git230720-2",
"4.5.1+git230720-3",
"4.5.1+git230720-4",
"4.5.1+git230720-5",
"4.5.1-1",
"4.5.1~rc3-1",
"4.6.0-1",
"4.6.0-2",
"4.7.0-1",
"4.7.0-2",
"4.7.0-3",
"4.7.0-4",
"4.7.0-5",
"4.7.1-1",
"4.7.1-2",
"4.7.1-3",
"4.7.2-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-52492.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "tiff",
"purl": "pkg:deb/debian/tiff?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"4.7.0-3",
"4.7.0-3+deb13u1",
"4.7.0-3+deb13u2",
"4.7.0-3+deb13u3",
"4.7.0-4",
"4.7.0-5",
"4.7.1-1",
"4.7.1-2",
"4.7.1-3",
"4.7.2-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-52492.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "tiff",
"purl": "pkg:deb/debian/tiff?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"4.7.0-3",
"4.7.0-4",
"4.7.0-5",
"4.7.1-1",
"4.7.1-2",
"4.7.1-3",
"4.7.2-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-52492.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-13T09:47:39.081339169Z",
"provider": "osv",
"upstream": [
"CVE-2026-52492"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-52492"
]
},
"related_cves": [
{
"value": "CVE-2026-52492",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 307582,
"published_at": "2026-08-24T21:17:19.927+00:00"
}