UnratedFix available
glib2: Fix of CVE-2026-16118
Type: advisorySources: OSV
- CVE-2026-16118: fix a 2-byte out-of-bounds write in the little-endian byte-swap of _xdg_mime_magic_parse_magic_line() by parenthesizing (ptr + i) before the cast, so the write side uses byte offsets instead of scaling by the word size
- Products
- glib2, glib2-devel, glib2-doc, glib2-fam, glib2-static, glib2-tests
- Affected versions
- Not specified
- Fixed versions
- 2.56.4-163.el8.tuxcare.els8
- CVEs
- CVE-2026-16118
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:47 UTC · Revision 1
Source evidence
- CVE-2026-16118: fix a 2-byte out-of-bounds write in the little-endian byte-swap of _xdg_mime_magic_parse_magic_line() by parenthesizing (ptr + i) before the cast, so the write side uses byte offsets instead of scaling by the word size
osv:CLSA-2026-1789392191
glib2
Fixed versions: 2.56.4-163.el8.tuxcare.els8
glib2-devel
Fixed versions: 2.56.4-163.el8.tuxcare.els8
glib2-doc
Fixed versions: 2.56.4-163.el8.tuxcare.els8
glib2-fam
Fixed versions: 2.56.4-163.el8.tuxcare.els8
glib2-static
Fixed versions: 2.56.4-163.el8.tuxcare.els8
glib2-tests
Fixed versions: 2.56.4-163.el8.tuxcare.els8
Complete source record
{
"id": "d1700efb282e5aacefebbd197acb0fdf963ba41780407838ac701992edb9e2b6",
"url": "https://osv.dev/vulnerability/CLSA-2026-1789392191",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "glib2: Fix of CVE-2026-16118",
"summary": "- CVE-2026-16118: fix a 2-byte out-of-bounds write in the little-endian byte-swap of _xdg_mime_magic_parse_magic_line() by parenthesizing (ptr + i) before the cast, so the write side uses byte offsets instead of scaling by the word size",
"evidence": "osv:CLSA-2026-1789392191",
"products": [
{
"name": {
"value": "glib2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.56.4-163.el8.tuxcare.els8",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glib2-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.56.4-163.el8.tuxcare.els8",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glib2-doc",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.56.4-163.el8.tuxcare.els8",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glib2-fam",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
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{
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"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glib2-static",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glib2-tests",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.56.4-163.el8.tuxcare.els8",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1789392191",
"aliases": [
"CLSA-2026-1789392191"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.56.4-163.el8.tuxcare.els8"
}
]
}
],
"package": {
"name": "glib2",
"purl": "pkg:rpm/tuxcare/glib2?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1789392191.json"
}
},
{
"ranges": [
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}
]
}
],
"package": {
"name": "glib2-devel",
"purl": "pkg:rpm/tuxcare/glib2-devel?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1789392191.json"
}
},
{
"ranges": [
{
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"events": [
{
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{
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}
]
}
],
"package": {
"name": "glib2-doc",
"purl": "pkg:rpm/tuxcare/glib2-doc?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1789392191.json"
}
},
{
"ranges": [
{
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{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "glib2-fam",
"purl": "pkg:rpm/tuxcare/glib2-fam?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1789392191.json"
}
},
{
"ranges": [
{
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{
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},
{
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}
]
}
],
"package": {
"name": "glib2-static",
"purl": "pkg:rpm/tuxcare/glib2-static?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1789392191.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.56.4-163.el8.tuxcare.els8"
}
]
}
],
"package": {
"name": "glib2-tests",
"purl": "pkg:rpm/tuxcare/glib2-tests?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1789392191.json"
}
}
],
"modified": "2026-10-26T09:30:55.056361284Z",
"provider": "osv",
"upstream": [
"CVE-2026-16118"
],
"references": [
"https://errata.tuxcare.com/els_os/centos-stream8els/CLSA-2026-1789392191.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-16118"
]
},
"related_cves": [
{
"value": "CVE-2026-16118",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447338,
"published_at": "2026-09-14T13:23:23+00:00"
}