httpd: Fix of 4 CVEs
- CVE-2025-49630: fix denial of service attack triggered by untrusted clients causing an assertion in mod_proxy_http2 - CVE-2025-23048: fix access control bypass by trusted clients in mod_ssl configurations - CVE-2025-49812: remove support for TLS upgrade to mitigate HTTP desynchronisation attack - CVE-2024-47252: escape user-supplied data in mod_ssl to prevent untrusted SSL/TLS clients from inserting escape characters into log files
- Products
- httpd, httpd-devel, httpd-filesystem, httpd-manual, httpd-tools, mod_ldap, mod_proxy_html, mod_session, mod_ssl
- Affected versions
- Not specified
- Fixed versions
- 1:2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15, 2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15
- CVEs
- CVE-2024-47252, CVE-2025-23048, CVE-2025-49630, CVE-2025-49812
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 14:08 UTC · Revision 1
Source evidence
- CVE-2025-49630: fix denial of service attack triggered by untrusted clients causing an assertion in mod_proxy_http2 - CVE-2025-23048: fix access control bypass by trusted clients in mod_ssl configurations - CVE-2025-49812: remove support for TLS upgrade to mitigate HTTP desynchronisation attack - CVE-2024-47252: escape user-supplied data in mod_ssl to prevent untrusted SSL/TLS clients from inserting escape characters into log files
osv:CLSA-2025-1758915354
httpd
Fixed versions: 2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15
httpd-devel
Fixed versions: 2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15
httpd-filesystem
Fixed versions: 2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15
httpd-manual
Fixed versions: 2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15
httpd-tools
Fixed versions: 2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15
mod_ldap
Fixed versions: 2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15
mod_proxy_html
Fixed versions: 1:2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15
mod_session
Fixed versions: 2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15
mod_ssl
Fixed versions: 1:2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15
Complete source record
{
"id": "c819bac7c70a6e137d13f330cb23e0553a4f7602a244344b235a13944ca911d7",
"url": "https://osv.dev/vulnerability/CLSA-2025-1758915354",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "httpd: Fix of 4 CVEs",
"summary": "- CVE-2025-49630: fix denial of service attack triggered by untrusted clients causing an assertion in mod_proxy_http2 - CVE-2025-23048: fix access control bypass by trusted clients in mod_ssl configurations - CVE-2025-49812: remove support for TLS upgrade to mitigate HTTP desynchronisation attack - CVE-2024-47252: escape user-supplied data in mod_ssl to prevent untrusted SSL/TLS clients from inserting escape characters into log files",
"evidence": "osv:CLSA-2025-1758915354",
"products": [
{
"name": {
"value": "httpd",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15",
"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+2310+48d56fe5.tuxcare.els15",
"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+2310+48d56fe5.tuxcare.els15",
"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+2310+48d56fe5.tuxcare.els15",
"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+2310+48d56fe5.tuxcare.els15",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_ldap",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_proxy_html",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_session",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_ssl",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2025-1758915354",
"aliases": [
"CLSA-2025-1758915354"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15"
}
]
}
],
"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-2025-1758915354.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15"
}
]
}
],
"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-2025-1758915354.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15"
}
]
}
],
"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-2025-1758915354.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15"
}
]
}
],
"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-2025-1758915354.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15"
}
]
}
],
"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-2025-1758915354.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15"
}
]
}
],
"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-2025-1758915354.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15"
}
]
}
],
"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-2025-1758915354.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15"
}
]
}
],
"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-2025-1758915354.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.4.37-43.module_el8.5.0+2310+48d56fe5.tuxcare.els15"
}
]
}
],
"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-2025-1758915354.json"
}
}
],
"modified": "2026-10-21T10:48:23.963472539Z",
"provider": "osv",
"upstream": [
"CVE-2024-47252",
"CVE-2025-23048",
"CVE-2025-49630",
"CVE-2025-49812"
],
"references": [
"https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2025-1758915354.html"
]
},
"related_cves": [
{
"value": "CVE-2024-47252",
"evidence": "/upstream"
},
{
"value": "CVE-2025-23048",
"evidence": "/upstream"
},
{
"value": "CVE-2025-49630",
"evidence": "/upstream"
},
{
"value": "CVE-2025-49812",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 392954,
"published_at": "2025-09-26T19:36:01+00:00"
}