UnratedFix available
freerdp: Fix of 4 CVEs
Type: advisorySources: OSV
- CVE-2026-45700: fix out-of-bounds heap write in the RLE planar bitmap decoder; validate the destination X coordinate against the temp buffer stride (nTempStep) instead of the caller-provided destination stride (nDstStep) - CVE-2026-44421: fix out-of-bounds heap write in gdi_CacheToSurface; copy only the validated, UINT16-clamped destination rectangle dimensions instead of the untruncated cache entry width/height
- Products
- freerdp, freerdp-devel, freerdp-libs, libwinpr, libwinpr-devel
- Affected versions
- Not specified
- Fixed versions
- 2.1.1-5.el7_9.tuxcare.els22
- CVEs
- CVE-2026-44421, CVE-2026-45700
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:58 UTC · Revision 1
Source evidence
- CVE-2026-45700: fix out-of-bounds heap write in the RLE planar bitmap decoder; validate the destination X coordinate against the temp buffer stride (nTempStep) instead of the caller-provided destination stride (nDstStep) - CVE-2026-44421: fix out-of-bounds heap write in gdi_CacheToSurface; copy only the validated, UINT16-clamped destination rectangle dimensions instead of the untruncated cache entry width/height
osv:CLSA-2026-1780647163
freerdp
Fixed versions: 2.1.1-5.el7_9.tuxcare.els22
freerdp-devel
Fixed versions: 2.1.1-5.el7_9.tuxcare.els22
freerdp-libs
Fixed versions: 2.1.1-5.el7_9.tuxcare.els22
libwinpr
Fixed versions: 2.1.1-5.el7_9.tuxcare.els22
libwinpr-devel
Fixed versions: 2.1.1-5.el7_9.tuxcare.els22
Complete source record
{
"id": "bc3aa127a08c173f650011e79263c0702c1becec3aac1a393b71a373fd48250e",
"url": "https://osv.dev/vulnerability/CLSA-2026-1780647163",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "freerdp: Fix of 4 CVEs",
"summary": "- CVE-2026-45700: fix out-of-bounds heap write in the RLE planar bitmap decoder; validate the destination X coordinate against the temp buffer stride (nTempStep) instead of the caller-provided destination stride (nDstStep) - CVE-2026-44421: fix out-of-bounds heap write in gdi_CacheToSurface; copy only the validated, UINT16-clamped destination rectangle dimensions instead of the untruncated cache entry width/height",
"evidence": "osv:CLSA-2026-1780647163",
"products": [
{
"name": {
"value": "freerdp",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.1.1-5.el7_9.tuxcare.els22",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "freerdp-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.1.1-5.el7_9.tuxcare.els22",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "freerdp-libs",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.1.1-5.el7_9.tuxcare.els22",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libwinpr",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.1.1-5.el7_9.tuxcare.els22",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libwinpr-devel",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.1.1-5.el7_9.tuxcare.els22",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1780647163",
"aliases": [
"CLSA-2026-1780647163"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.1-5.el7_9.tuxcare.els22"
}
]
}
],
"package": {
"name": "freerdp",
"purl": "pkg:rpm/tuxcare/freerdp?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1780647163.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.1-5.el7_9.tuxcare.els22"
}
]
}
],
"package": {
"name": "freerdp-devel",
"purl": "pkg:rpm/tuxcare/freerdp-devel?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1780647163.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.1-5.el7_9.tuxcare.els22"
}
]
}
],
"package": {
"name": "freerdp-libs",
"purl": "pkg:rpm/tuxcare/freerdp-libs?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1780647163.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.1-5.el7_9.tuxcare.els22"
}
]
}
],
"package": {
"name": "libwinpr",
"purl": "pkg:rpm/tuxcare/libwinpr?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1780647163.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.1-5.el7_9.tuxcare.els22"
}
]
}
],
"package": {
"name": "libwinpr-devel",
"purl": "pkg:rpm/tuxcare/libwinpr-devel?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1780647163.json"
}
}
],
"modified": "2026-10-26T09:43:57.464083252Z",
"provider": "osv",
"upstream": [
"CVE-2026-44421",
"CVE-2026-45700"
],
"references": [
"https://errata.tuxcare.com/els_os/centos7els/CLSA-2026-1780647163.html",
"https://nvd.nist.gov/vuln/detail/CVE-2023-39354",
"https://nvd.nist.gov/vuln/detail/CVE-2026-40033",
"https://nvd.nist.gov/vuln/detail/CVE-2026-44421",
"https://nvd.nist.gov/vuln/detail/CVE-2026-45700"
]
},
"related_cves": [
{
"value": "CVE-2026-44421",
"evidence": "/upstream"
},
{
"value": "CVE-2026-45700",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 450262,
"published_at": "2026-08-04T23:41:07+00:00"
}