libapache2-mod-perl2 — security advisory
mod_perl 2.0 through 2.0.10 allows attackers to execute arbitrary Perl code by placing it in a user-owned .htaccess file, because (contrary to the documentation) there is no configuration option that permits Perl code for the administrator's control of HTTP request processing without also permitting unprivileged users to run Perl code in the context of the user account that runs Apache HTTP Server processes.
- Products
- libapache2-mod-perl2
- Affected versions
- Not specified
- Fixed versions
- 2.0.10-3
- CVEs
- CVE-2011-2767
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:45 UTC · Revision 1
Source evidence
mod_perl 2.0 through 2.0.10 allows attackers to execute arbitrary Perl code by placing it in a user-owned .htaccess file, because (contrary to the documentation) there is no configuration option that permits Perl code for the administrator's control of HTTP request processing without also permitting unprivileged users to run Perl code in the context of the user account that runs Apache HTTP Server processes.
osv:DEBIAN-CVE-2011-2767
libapache2-mod-perl2
Fixed versions: 2.0.10-3
libapache2-mod-perl2
Fixed versions: 2.0.10-3
libapache2-mod-perl2
Fixed versions: 2.0.10-3
Complete source record
{
"id": "5fc8d686cff98c27a7f0de848aea29855c0724d20174f60cfc0ee91a02f2cd40",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2011-2767",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2011-2767",
"summary": "mod_perl 2.0 through 2.0.10 allows attackers to execute arbitrary Perl code by placing it in a user-owned .htaccess file, because (contrary to the documentation) there is no configuration option that permits Perl code for the administrator's control of HTTP request processing without also permitting unprivileged users to run Perl code in the context of the user account that runs Apache HTTP Server processes.",
"evidence": "osv:DEBIAN-CVE-2011-2767",
"products": [
{
"name": {
"value": "libapache2-mod-perl2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.0.10-3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libapache2-mod-perl2",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.0.10-3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libapache2-mod-perl2",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.0.10-3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "critical",
"structured": {
"id": "DEBIAN-CVE-2011-2767",
"aliases": [
"DEBIAN-CVE-2011-2767"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.10-3"
}
]
}
],
"package": {
"name": "libapache2-mod-perl2",
"purl": "pkg:deb/debian/libapache2-mod-perl2?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-2767.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.10-3"
}
]
}
],
"package": {
"name": "libapache2-mod-perl2",
"purl": "pkg:deb/debian/libapache2-mod-perl2?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-2767.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.10-3"
}
]
}
],
"package": {
"name": "libapache2-mod-perl2",
"purl": "pkg:deb/debian/libapache2-mod-perl2?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-2767.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:03:44.585622043Z",
"provider": "osv",
"upstream": [
"CVE-2011-2767"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2011-2767"
]
},
"related_cves": [
{
"value": "CVE-2011-2767",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 422167,
"published_at": "2018-08-26T16:29:00.23+00:00"
}