UnratedFix available
Fixed CVEs in httpd-43.module_el8.5.0+2046+6f259f31.tuxcare.els4: CVE-2021-33193, CVE-2020-35452
Type: advisorySources: OSV
- CVE-2020-35452: mod_auth_digest: fix a single zero byte stack overflow (#1968278) - CVE-2021-33193: fix request splitting via HTTP/2 method injection and mod_proxy (#1972491)
- Products
- httpd, httpd-devel, httpd-filesystem, httpd-manual, httpd-tools, mod_http2, mod_ldap, mod_md, mod_proxy_html, mod_session, mod_ssl
- Affected versions
- Not specified
- Fixed versions
- 1.15.7-3.module_el8.5.0+2046+6f259f31, 1:2.0.8-8.module_el8.5.0+2046+6f259f31, 1:2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4, 2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4
- CVEs
- CVE-2020-35452, CVE-2021-33193
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 13:55 UTC · Revision 1
Source evidence
Fixed CVEs in httpd-43.module_el8.5.0+2046+6f259f31.tuxcare.els4: CVE-2021-33193, CVE-2020-35452
core-osv · Original sourcePublished 1 Jun 2022, 18:03 UTC
- CVE-2020-35452: mod_auth_digest: fix a single zero byte stack overflow (#1968278) - CVE-2021-33193: fix request splitting via HTTP/2 method injection and mod_proxy (#1972491)
osv:CLSA-2022-1654106630
httpd
Fixed versions: 2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4
httpd-devel
Fixed versions: 2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4
httpd-filesystem
Fixed versions: 2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4
httpd-manual
Fixed versions: 2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4
httpd-tools
Fixed versions: 2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4
mod_http2
Fixed versions: 1.15.7-3.module_el8.5.0+2046+6f259f31
mod_ldap
Fixed versions: 2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4
mod_md
Fixed versions: 1:2.0.8-8.module_el8.5.0+2046+6f259f31
mod_proxy_html
Fixed versions: 1:2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4
mod_session
Fixed versions: 2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4
mod_ssl
Fixed versions: 1:2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4
Complete source record
{
"id": "6823a6c3cbc6b75c6240196b4770e33166cce39f055aed7cd96b122de1c24123",
"url": "https://osv.dev/vulnerability/CLSA-2022-1654106630",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fixed CVEs in httpd-43.module_el8.5.0+2046+6f259f31.tuxcare.els4: CVE-2021-33193, CVE-2020-35452",
"summary": "- CVE-2020-35452: mod_auth_digest: fix a single zero byte stack overflow (#1968278) - CVE-2021-33193: fix request splitting via HTTP/2 method injection and mod_proxy (#1972491)",
"evidence": "osv:CLSA-2022-1654106630",
"products": [
{
"name": {
"value": "httpd",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "httpd-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "httpd-filesystem",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "httpd-manual",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "httpd-tools",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_http2",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.15.7-3.module_el8.5.0+2046+6f259f31",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_ldap",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_md",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.0.8-8.module_el8.5.0+2046+6f259f31",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_proxy_html",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_session",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4",
"evidence": "/affected/9/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_ssl",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4",
"evidence": "/affected/10/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2022-1654106630",
"aliases": [
"CLSA-2022-1654106630"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4"
}
]
}
],
"package": {
"name": "httpd",
"purl": "pkg:rpm/tuxcare/httpd?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2022-1654106630.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4"
}
]
}
],
"package": {
"name": "httpd-devel",
"purl": "pkg:rpm/tuxcare/httpd-devel?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2022-1654106630.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4"
}
]
}
],
"package": {
"name": "httpd-filesystem",
"purl": "pkg:rpm/tuxcare/httpd-filesystem?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2022-1654106630.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4"
}
]
}
],
"package": {
"name": "httpd-manual",
"purl": "pkg:rpm/tuxcare/httpd-manual?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2022-1654106630.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4"
}
]
}
],
"package": {
"name": "httpd-tools",
"purl": "pkg:rpm/tuxcare/httpd-tools?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2022-1654106630.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.15.7-3.module_el8.5.0+2046+6f259f31"
}
]
}
],
"package": {
"name": "mod_http2",
"purl": "pkg:rpm/tuxcare/mod_http2?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2022-1654106630.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4"
}
]
}
],
"package": {
"name": "mod_ldap",
"purl": "pkg:rpm/tuxcare/mod_ldap?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2022-1654106630.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.0.8-8.module_el8.5.0+2046+6f259f31"
}
]
}
],
"package": {
"name": "mod_md",
"purl": "pkg:rpm/tuxcare/mod_md?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2022-1654106630.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4"
}
]
}
],
"package": {
"name": "mod_proxy_html",
"purl": "pkg:rpm/tuxcare/mod_proxy_html?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2022-1654106630.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4"
}
]
}
],
"package": {
"name": "mod_session",
"purl": "pkg:rpm/tuxcare/mod_session?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2022-1654106630.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.4.37-43.module_el8.5.0+2046+6f259f31.tuxcare.els4"
}
]
}
],
"package": {
"name": "mod_ssl",
"purl": "pkg:rpm/tuxcare/mod_ssl?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2022-1654106630.json"
}
}
],
"modified": "2026-10-21T10:47:59.702745758Z",
"provider": "osv",
"upstream": [
"CVE-2020-35452",
"CVE-2021-33193"
],
"references": [
"https://errata.cloudlinux.com/centos8.5-els/CLSA-2022-1654106630.html"
]
},
"related_cves": [
{
"value": "CVE-2020-35452",
"evidence": "/upstream"
},
{
"value": "CVE-2021-33193",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 392487,
"published_at": "2022-06-01T18:03:50+00:00"
}