UnratedFix available
Fix CVE(s): CVE-2026-55059
Type: advisorySources: OSV
* SECURITY UPDATE: Heap out-of-bounds write in SampleCountChannel row setter - debian/patches/CVE-2026-55059.patch: use min.y for the row origin and bounds-check rows and pixels in IlmImfUtil/ImfSampleCountChannel.cpp. - CVE-2026-55059
- Products
- libopenexr-dev, libopenexr22, openexr, openexr-doc
- Affected versions
- Not specified
- Fixed versions
- 2.2.0-11.1ubuntu1.9+tuxcare.els4
- CVEs
- CVE-2026-55059
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:43 UTC · Revision 1
Source evidence
* SECURITY UPDATE: Heap out-of-bounds write in SampleCountChannel row setter - debian/patches/CVE-2026-55059.patch: use min.y for the row origin and bounds-check rows and pixels in IlmImfUtil/ImfSampleCountChannel.cpp. - CVE-2026-55059
osv:CLSA-2026-1792587918
libopenexr-dev
Fixed versions: 2.2.0-11.1ubuntu1.9+tuxcare.els4
libopenexr22
Fixed versions: 2.2.0-11.1ubuntu1.9+tuxcare.els4
openexr
Fixed versions: 2.2.0-11.1ubuntu1.9+tuxcare.els4
openexr-doc
Fixed versions: 2.2.0-11.1ubuntu1.9+tuxcare.els4
Complete source record
{
"id": "d6c456cd5b687449625a5241c737cb3b637b23606734dd9c64b22ba14ced71fe",
"url": "https://osv.dev/vulnerability/CLSA-2026-1792587918",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2026-55059",
"summary": "* SECURITY UPDATE: Heap out-of-bounds write in SampleCountChannel row setter - debian/patches/CVE-2026-55059.patch: use min.y for the row origin and bounds-check rows and pixels in IlmImfUtil/ImfSampleCountChannel.cpp. - CVE-2026-55059",
"evidence": "osv:CLSA-2026-1792587918",
"products": [
{
"name": {
"value": "libopenexr-dev",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.2.0-11.1ubuntu1.9+tuxcare.els4",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libopenexr22",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.2.0-11.1ubuntu1.9+tuxcare.els4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openexr",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.2.0-11.1ubuntu1.9+tuxcare.els4",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openexr-doc",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.2.0-11.1ubuntu1.9+tuxcare.els4",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1792587918",
"aliases": [
"CLSA-2026-1792587918"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.0-11.1ubuntu1.9+tuxcare.els4"
}
]
}
],
"package": {
"name": "libopenexr-dev",
"purl": "pkg:deb/tuxcare/libopenexr-dev?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792587918.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.0-11.1ubuntu1.9+tuxcare.els4"
}
]
}
],
"package": {
"name": "libopenexr22",
"purl": "pkg:deb/tuxcare/libopenexr22?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792587918.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.0-11.1ubuntu1.9+tuxcare.els4"
}
]
}
],
"package": {
"name": "openexr",
"purl": "pkg:deb/tuxcare/openexr?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792587918.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.0-11.1ubuntu1.9+tuxcare.els4"
}
]
}
],
"package": {
"name": "openexr-doc",
"purl": "pkg:deb/tuxcare/openexr-doc?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792587918.json"
}
}
],
"modified": "2026-10-26T09:32:04.533881732Z",
"provider": "osv",
"upstream": [
"CVE-2026-55059"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1792587918.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-55059"
]
},
"related_cves": [
{
"value": "CVE-2026-55059",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449616,
"published_at": "2026-10-21T13:05:29+00:00"
}