UnratedFix available
glibc: Fix of 3 CVEs
Type: advisorySources: OSV
- CVE-2018-6485: fix integer overflows in memalign and malloc - CVE-2018-1000001: fix realpath buffer underflow via getcwd - CVE-2018-19591: fix if_nametoindex descriptor leak
- Products
- glibc, glibc-common, glibc-devel, glibc-headers, glibc-static, glibc-utils, nscd
- Affected versions
- Not specified
- Fixed versions
- 2.12-2.215.el6.tuxcare.els12
- CVEs
- CVE-2018-1000001, CVE-2018-19591, CVE-2018-6485
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 13:54 UTC · Revision 1
Source evidence
- CVE-2018-6485: fix integer overflows in memalign and malloc - CVE-2018-1000001: fix realpath buffer underflow via getcwd - CVE-2018-19591: fix if_nametoindex descriptor leak
osv:CLSA-2026-1776605836
glibc
Fixed versions: 2.12-2.215.el6.tuxcare.els12
glibc-common
Fixed versions: 2.12-2.215.el6.tuxcare.els12
glibc-devel
Fixed versions: 2.12-2.215.el6.tuxcare.els12
glibc-headers
Fixed versions: 2.12-2.215.el6.tuxcare.els12
glibc-static
Fixed versions: 2.12-2.215.el6.tuxcare.els12
glibc-utils
Fixed versions: 2.12-2.215.el6.tuxcare.els12
nscd
Fixed versions: 2.12-2.215.el6.tuxcare.els12
Complete source record
{
"id": "2e8340ea39bc021b130d9401ed7b46e18b96bbadeba8c83d2ce42bace9d4de4e",
"url": "https://osv.dev/vulnerability/CLSA-2026-1776605836",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "glibc: Fix of 3 CVEs",
"summary": "- CVE-2018-6485: fix integer overflows in memalign and malloc - CVE-2018-1000001: fix realpath buffer underflow via getcwd - CVE-2018-19591: fix if_nametoindex descriptor leak",
"evidence": "osv:CLSA-2026-1776605836",
"products": [
{
"name": {
"value": "glibc",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12-2.215.el6.tuxcare.els12",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glibc-common",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12-2.215.el6.tuxcare.els12",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glibc-devel",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12-2.215.el6.tuxcare.els12",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glibc-headers",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12-2.215.el6.tuxcare.els12",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glibc-static",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12-2.215.el6.tuxcare.els12",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glibc-utils",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12-2.215.el6.tuxcare.els12",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "nscd",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12-2.215.el6.tuxcare.els12",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1776605836",
"aliases": [
"CLSA-2026-1776605836"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12-2.215.el6.tuxcare.els12"
}
]
}
],
"package": {
"name": "glibc",
"purl": "pkg:rpm/tuxcare/glibc?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1776605836.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12-2.215.el6.tuxcare.els12"
}
]
}
],
"package": {
"name": "glibc-common",
"purl": "pkg:rpm/tuxcare/glibc-common?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1776605836.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12-2.215.el6.tuxcare.els12"
}
]
}
],
"package": {
"name": "glibc-devel",
"purl": "pkg:rpm/tuxcare/glibc-devel?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1776605836.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12-2.215.el6.tuxcare.els12"
}
]
}
],
"package": {
"name": "glibc-headers",
"purl": "pkg:rpm/tuxcare/glibc-headers?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1776605836.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12-2.215.el6.tuxcare.els12"
}
]
}
],
"package": {
"name": "glibc-static",
"purl": "pkg:rpm/tuxcare/glibc-static?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1776605836.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12-2.215.el6.tuxcare.els12"
}
]
}
],
"package": {
"name": "glibc-utils",
"purl": "pkg:rpm/tuxcare/glibc-utils?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1776605836.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12-2.215.el6.tuxcare.els12"
}
]
}
],
"package": {
"name": "nscd",
"purl": "pkg:rpm/tuxcare/nscd?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1776605836.json"
}
}
],
"modified": "2026-10-21T10:47:49.711415440Z",
"provider": "osv",
"upstream": [
"CVE-2018-1000001",
"CVE-2018-19591",
"CVE-2018-6485"
],
"references": [
"https://errata.tuxcare.com/els_os/centos6els/CLSA-2026-1776605836.html"
]
},
"related_cves": [
{
"value": "CVE-2018-1000001",
"evidence": "/upstream"
},
{
"value": "CVE-2018-19591",
"evidence": "/upstream"
},
{
"value": "CVE-2018-6485",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 392407,
"published_at": "2026-04-21T17:13:08+00:00"
}