UnratedFix available
Fixed CVEs in glibc: CVE-2021-43396, CVE-2021-3326
Type: advisorySources: OSV
- CVE-2021-3326: avoid denial of service due to a failed assertion - CVE-2021-43396: check actual stored character in state reset code
- Products
- glibc, glibc-common, glibc-devel, glibc-headers, glibc-static, glibc-utils, nscd
- Affected versions
- Not specified
- Fixed versions
- 2.12-2.215.el6.cloudlinux.els
- CVEs
- CVE-2021-3326, CVE-2021-43396
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 13:55 UTC · Revision 1
Source evidence
Fixed CVEs in glibc: CVE-2021-43396, CVE-2021-3326
core-osv · Original sourcePublished 8 Nov 2021, 16:37 UTC
- CVE-2021-3326: avoid denial of service due to a failed assertion - CVE-2021-43396: check actual stored character in state reset code
osv:CLSA-2021-1636389447
glibc
Fixed versions: 2.12-2.215.el6.cloudlinux.els
glibc-common
Fixed versions: 2.12-2.215.el6.cloudlinux.els
glibc-devel
Fixed versions: 2.12-2.215.el6.cloudlinux.els
glibc-headers
Fixed versions: 2.12-2.215.el6.cloudlinux.els
glibc-static
Fixed versions: 2.12-2.215.el6.cloudlinux.els
glibc-utils
Fixed versions: 2.12-2.215.el6.cloudlinux.els
nscd
Fixed versions: 2.12-2.215.el6.cloudlinux.els
Complete source record
{
"id": "ba285172ea3ef18e9f4265a83f1666b8fd4cb6b3ddf22221a9828d6f0f6007b3",
"url": "https://osv.dev/vulnerability/CLSA-2021-1636389447",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fixed CVEs in glibc: CVE-2021-43396, CVE-2021-3326",
"summary": "- CVE-2021-3326: avoid denial of service due to a failed assertion - CVE-2021-43396: check actual stored character in state reset code",
"evidence": "osv:CLSA-2021-1636389447",
"products": [
{
"name": {
"value": "glibc",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12-2.215.el6.cloudlinux.els",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glibc-common",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12-2.215.el6.cloudlinux.els",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glibc-devel",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12-2.215.el6.cloudlinux.els",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glibc-headers",
"evidence": "/affected/3/package/name"
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"evidence": "/affected/3/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "glibc-static",
"evidence": "/affected/4/package/name"
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"prerequisites": [],
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{
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"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "glibc-utils",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12-2.215.el6.cloudlinux.els",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2021-1636389447",
"aliases": [
"CLSA-2021-1636389447"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12-2.215.el6.cloudlinux.els"
}
]
}
],
"package": {
"name": "glibc",
"purl": "pkg:rpm/tuxcare/glibc?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2021-1636389447.json"
}
},
{
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],
"package": {
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"purl": "pkg:rpm/tuxcare/glibc-common?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2021-1636389447.json"
}
},
{
"ranges": [
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{
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]
}
],
"package": {
"name": "glibc-devel",
"purl": "pkg:rpm/tuxcare/glibc-devel?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2021-1636389447.json"
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},
{
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],
"package": {
"name": "glibc-headers",
"purl": "pkg:rpm/tuxcare/glibc-headers?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2021-1636389447.json"
}
},
{
"ranges": [
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],
"package": {
"name": "glibc-static",
"purl": "pkg:rpm/tuxcare/glibc-static?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2021-1636389447.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
"fixed": "2.12-2.215.el6.cloudlinux.els"
}
]
}
],
"package": {
"name": "glibc-utils",
"purl": "pkg:rpm/tuxcare/glibc-utils?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2021-1636389447.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12-2.215.el6.cloudlinux.els"
}
]
}
],
"package": {
"name": "nscd",
"purl": "pkg:rpm/tuxcare/nscd?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2021-1636389447.json"
}
}
],
"modified": "2026-10-21T10:48:01.242742203Z",
"provider": "osv",
"upstream": [
"CVE-2021-3326",
"CVE-2021-43396"
],
"references": [
"https://errata.cloudlinux.com/ol6/CLSA-2021-1636389447.html"
]
},
"related_cves": [
{
"value": "CVE-2021-3326",
"evidence": "/upstream"
},
{
"value": "CVE-2021-43396",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 392493,
"published_at": "2021-11-08T16:37:27+00:00"
}