UnratedFix available
httpd: Fix of 4 CVEs
Type: advisorySources: OSV
- CVE-2026-56153: mod_charset_lite: heap overflow in finish_partial_char - CVE-2026-46729: mod_heartmonitor: NULL pointer dereference on malformed heartbeat - CVE-2026-56154: mod_rewrite: use-after-free via LA-U lookahead variables - CVE-2026-63292: mod_vhost_alias: stack overflow with oversized Host header
- Products
- httpd, httpd-devel, httpd-manual, httpd-tools, mod_ldap, mod_proxy_html, mod_session, mod_ssl
- Affected versions
- Not specified
- Fixed versions
- 1:2.4.6-99.0.9.el7.centos.1.tuxcare.els2, 2.4.6-99.0.9.el7.centos.1.tuxcare.els2
- CVEs
- CVE-2026-46729, CVE-2026-56153, CVE-2026-56154, CVE-2026-63292
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:45 UTC · Revision 1
Source evidence
- CVE-2026-56153: mod_charset_lite: heap overflow in finish_partial_char - CVE-2026-46729: mod_heartmonitor: NULL pointer dereference on malformed heartbeat - CVE-2026-56154: mod_rewrite: use-after-free via LA-U lookahead variables - CVE-2026-63292: mod_vhost_alias: stack overflow with oversized Host header
osv:CLSA-2026-1791323880
httpd
Fixed versions: 2.4.6-99.0.9.el7.centos.1.tuxcare.els2
httpd-devel
Fixed versions: 2.4.6-99.0.9.el7.centos.1.tuxcare.els2
httpd-manual
Fixed versions: 2.4.6-99.0.9.el7.centos.1.tuxcare.els2
httpd-tools
Fixed versions: 2.4.6-99.0.9.el7.centos.1.tuxcare.els2
mod_ldap
Fixed versions: 2.4.6-99.0.9.el7.centos.1.tuxcare.els2
mod_proxy_html
Fixed versions: 1:2.4.6-99.0.9.el7.centos.1.tuxcare.els2
mod_session
Fixed versions: 2.4.6-99.0.9.el7.centos.1.tuxcare.els2
mod_ssl
Fixed versions: 1:2.4.6-99.0.9.el7.centos.1.tuxcare.els2
Complete source record
{
"id": "ba54757e56d9cebd3ee7a469c1e9f6086a51bad0d71d31eb4db1bbc0829f39b0",
"url": "https://osv.dev/vulnerability/CLSA-2026-1791323880",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "httpd: Fix of 4 CVEs",
"summary": "- CVE-2026-56153: mod_charset_lite: heap overflow in finish_partial_char - CVE-2026-46729: mod_heartmonitor: NULL pointer dereference on malformed heartbeat - CVE-2026-56154: mod_rewrite: use-after-free via LA-U lookahead variables - CVE-2026-63292: mod_vhost_alias: stack overflow with oversized Host header",
"evidence": "osv:CLSA-2026-1791323880",
"products": [
{
"name": {
"value": "httpd",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.6-99.0.9.el7.centos.1.tuxcare.els2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "httpd-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.6-99.0.9.el7.centos.1.tuxcare.els2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "httpd-manual",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.6-99.0.9.el7.centos.1.tuxcare.els2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "httpd-tools",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.6-99.0.9.el7.centos.1.tuxcare.els2",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_ldap",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.6-99.0.9.el7.centos.1.tuxcare.els2",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_proxy_html",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.4.6-99.0.9.el7.centos.1.tuxcare.els2",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_session",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.6-99.0.9.el7.centos.1.tuxcare.els2",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_ssl",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.4.6-99.0.9.el7.centos.1.tuxcare.els2",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1791323880",
"aliases": [
"CLSA-2026-1791323880"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.6-99.0.9.el7.centos.1.tuxcare.els2"
}
]
}
],
"package": {
"name": "httpd",
"purl": "pkg:rpm/tuxcare/httpd?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791323880.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.6-99.0.9.el7.centos.1.tuxcare.els2"
}
]
}
],
"package": {
"name": "httpd-devel",
"purl": "pkg:rpm/tuxcare/httpd-devel?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791323880.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.6-99.0.9.el7.centos.1.tuxcare.els2"
}
]
}
],
"package": {
"name": "httpd-manual",
"purl": "pkg:rpm/tuxcare/httpd-manual?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791323880.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.6-99.0.9.el7.centos.1.tuxcare.els2"
}
]
}
],
"package": {
"name": "httpd-tools",
"purl": "pkg:rpm/tuxcare/httpd-tools?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791323880.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.6-99.0.9.el7.centos.1.tuxcare.els2"
}
]
}
],
"package": {
"name": "mod_ldap",
"purl": "pkg:rpm/tuxcare/mod_ldap?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791323880.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.4.6-99.0.9.el7.centos.1.tuxcare.els2"
}
]
}
],
"package": {
"name": "mod_proxy_html",
"purl": "pkg:rpm/tuxcare/mod_proxy_html?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791323880.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.6-99.0.9.el7.centos.1.tuxcare.els2"
}
]
}
],
"package": {
"name": "mod_session",
"purl": "pkg:rpm/tuxcare/mod_session?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791323880.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.4.6-99.0.9.el7.centos.1.tuxcare.els2"
}
]
}
],
"package": {
"name": "mod_ssl",
"purl": "pkg:rpm/tuxcare/mod_ssl?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1791323880.json"
}
}
],
"modified": "2026-10-26T09:43:12.574260930Z",
"provider": "osv",
"upstream": [
"CVE-2026-46729",
"CVE-2026-56153",
"CVE-2026-56154",
"CVE-2026-63292"
],
"references": [
"https://errata.tuxcare.com/els_os/centos7els/CLSA-2026-1791323880.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-46729",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56153",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56154",
"https://nvd.nist.gov/vuln/detail/CVE-2026-63292"
]
},
"related_cves": [
{
"value": "CVE-2026-46729",
"evidence": "/upstream"
},
{
"value": "CVE-2026-56153",
"evidence": "/upstream"
},
{
"value": "CVE-2026-56154",
"evidence": "/upstream"
},
{
"value": "CVE-2026-63292",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449755,
"published_at": "2026-10-08T21:55:55+00:00"
}