UnratedFix available
libXfont2: Fix of 3 CVEs
Type: advisorySources: OSV
- Fix CVE-2026-56003: property buffer overflow in computeProps() / ComputeScaledProperties() in src/bitmap/bitscale.c; add bounds check for the fixed-size property buffer (upstream commit dff957a5158da038a282a59a31fe736702732939)
- Products
- libXfont2, libXfont2-devel
- Affected versions
- Not specified
- Fixed versions
- 2.0.3-1.el7.tuxcare.els3
- CVEs
- CVE-2026-56003
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:29 UTC · Revision 1
Source evidence
- Fix CVE-2026-56003: property buffer overflow in computeProps() / ComputeScaledProperties() in src/bitmap/bitscale.c; add bounds check for the fixed-size property buffer (upstream commit dff957a5158da038a282a59a31fe736702732939)
osv:CLSA-2026-1784797435
libXfont2
Fixed versions: 2.0.3-1.el7.tuxcare.els3
libXfont2-devel
Fixed versions: 2.0.3-1.el7.tuxcare.els3
Complete source record
{
"id": "6034c7653e5c7f52114ca6bd76b6706f57966126ad027c7172f2e87eeda82009",
"url": "https://osv.dev/vulnerability/CLSA-2026-1784797435",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "libXfont2: Fix of 3 CVEs",
"summary": "- Fix CVE-2026-56003: property buffer overflow in computeProps() / ComputeScaledProperties() in src/bitmap/bitscale.c; add bounds check for the fixed-size property buffer (upstream commit dff957a5158da038a282a59a31fe736702732939)",
"evidence": "osv:CLSA-2026-1784797435",
"products": [
{
"name": {
"value": "libXfont2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.0.3-1.el7.tuxcare.els3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libXfont2-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.0.3-1.el7.tuxcare.els3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1784797435",
"aliases": [
"CLSA-2026-1784797435"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.3-1.el7.tuxcare.els3"
}
]
}
],
"package": {
"name": "libXfont2",
"purl": "pkg:rpm/tuxcare/libXfont2?distro=oraclelinux-7",
"ecosystem": "TuxCare:OracleLinux:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1784797435.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.3-1.el7.tuxcare.els3"
}
]
}
],
"package": {
"name": "libXfont2-devel",
"purl": "pkg:rpm/tuxcare/libXfont2-devel?distro=oraclelinux-7",
"ecosystem": "TuxCare:OracleLinux:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1784797435.json"
}
}
],
"modified": "2026-10-26T09:31:55.604296713Z",
"provider": "osv",
"upstream": [
"CVE-2026-56003"
],
"references": [
"https://errata.tuxcare.com/els_os/oraclelinux7els/CLSA-2026-1784797435.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56001",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56002",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56003"
]
},
"related_cves": [
{
"value": "CVE-2026-56003",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448991,
"published_at": "2026-07-23T09:04:26+00:00"
}