UnratedFix available
glib2: Fix of CVE-2026-15588
Type: advisorySources: OSV
- CVE-2026-15588: limit the length of lines GDBusServer reads from an unauthenticated client, preventing unbounded memory and CPU consumption - add upstream prerequisite 3272.patch (gdbus: never buffer reads during server authentication), which routes all three server authentication states through the byte-at-a-time reader the CVE fix bounds
- Products
- glib2, glib2-devel, glib2-doc, glib2-static, glib2-tests
- Affected versions
- Not specified
- Fixed versions
- 2.68.4-6.el9.tuxcare.els10
- CVEs
- CVE-2026-15588
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:44 UTC · Revision 1
Source evidence
- CVE-2026-15588: limit the length of lines GDBusServer reads from an unauthenticated client, preventing unbounded memory and CPU consumption - add upstream prerequisite 3272.patch (gdbus: never buffer reads during server authentication), which routes all three server authentication states through the byte-at-a-time reader the CVE fix bounds
osv:CLSA-2026-1788000309
glib2
Fixed versions: 2.68.4-6.el9.tuxcare.els10
glib2-devel
Fixed versions: 2.68.4-6.el9.tuxcare.els10
glib2-doc
Fixed versions: 2.68.4-6.el9.tuxcare.els10
glib2-static
Fixed versions: 2.68.4-6.el9.tuxcare.els10
glib2-tests
Fixed versions: 2.68.4-6.el9.tuxcare.els10
Complete source record
{
"id": "8811df2019e9c9c72ed3dec59dfe6b3899540ddbe490d066190c951f1c91a2b0",
"url": "https://osv.dev/vulnerability/CLSA-2026-1788000309",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "glib2: Fix of CVE-2026-15588",
"summary": "- CVE-2026-15588: limit the length of lines GDBusServer reads from an unauthenticated client, preventing unbounded memory and CPU consumption - add upstream prerequisite 3272.patch (gdbus: never buffer reads during server authentication), which routes all three server authentication states through the byte-at-a-time reader the CVE fix bounds",
"evidence": "osv:CLSA-2026-1788000309",
"products": [
{
"name": {
"value": "glib2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.68.4-6.el9.tuxcare.els10",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glib2-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.68.4-6.el9.tuxcare.els10",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glib2-doc",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.68.4-6.el9.tuxcare.els10",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glib2-static",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.68.4-6.el9.tuxcare.els10",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glib2-tests",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.68.4-6.el9.tuxcare.els10",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1788000309",
"aliases": [
"CLSA-2026-1788000309"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.68.4-6.el9.tuxcare.els10"
}
]
}
],
"package": {
"name": "glib2",
"purl": "pkg:rpm/tuxcare/glib2?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1788000309.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "glib2-devel",
"purl": "pkg:rpm/tuxcare/glib2-devel?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1788000309.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.68.4-6.el9.tuxcare.els10"
}
]
}
],
"package": {
"name": "glib2-doc",
"purl": "pkg:rpm/tuxcare/glib2-doc?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1788000309.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.68.4-6.el9.tuxcare.els10"
}
]
}
],
"package": {
"name": "glib2-static",
"purl": "pkg:rpm/tuxcare/glib2-static?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1788000309.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.68.4-6.el9.tuxcare.els10"
}
]
}
],
"package": {
"name": "glib2-tests",
"purl": "pkg:rpm/tuxcare/glib2-tests?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1788000309.json"
}
}
],
"modified": "2026-10-26T09:30:38.326880197Z",
"provider": "osv",
"upstream": [
"CVE-2026-15588"
],
"references": [
"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1788000309.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-15588"
]
},
"related_cves": [
{
"value": "CVE-2026-15588",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447179,
"published_at": "2026-08-29T10:45:19+00:00"
}