CVE-2004-0809
The mod_dav module in Apache 2.0.50 and earlier allows remote attackers to cause a denial of...
CVE-2004-0809 is a medium vulnerability (CVSS 5.0) in Apache Http Server, published September 16, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 17.2%, the 97th percentile. Fixed in apache2 2.0.51-1.
The mod_dav module in Apache 2.0.50 and earlier allows remote attackers to cause a denial of service (child process crash) via a certain sequence of LOCK requests for a location that allows WebDAV authoring access.
Exploit likelihood
What each source reports
NVD Score used
5.0
The mod_dav module in Apache 2.0.50 and earlier allows remote attackers to cause a denial of service (child process crash) via a certain sequence of LOCK requests for a location that allows WebDAV authoring access.
- Record
CVE-2004-0809- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
The mod_dav module in Apache 2.0.50 and earlier allows remote attackers to cause a denial of service (child process crash) via a certain sequence of LOCK requests for a location that allows WebDAV authoring access.
- Record
CVE-2004-0809- Updated
- 2026-11-02
EUVDEUVD-2004-0807 No score
The mod_dav module in Apache 2.0.50 and earlier allows remote attackers to cause a denial of service (child process crash) via a certain sequence of LOCK requests for a location that allows WebDAV authoring access.
- Record
EUVD-2004-0807- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ffrj-w536-5xrc No score
The mod_dav module in Apache 2.0.50 and earlier allows remote attackers to cause a denial of...
The mod_dav module in Apache 2.0.50 and earlier allows remote attackers to cause a denial of service (child process crash) via a certain sequence of LOCK requests for a location that allows WebDAV authoring access.
- Record
GHSA-ffrj-w536-5xrc- Updated
- 2026-11-02
OSVBELL-CVE-2004-0809
5.0
CVE-2004-0809 does not affect BellSoft software
- Record
BELL-CVE-2004-0809- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
OSV No score
The mod_dav module in Apache 2.0.50 and earlier allows remote attackers to cause a denial of service (child process crash) via a certain sequence of LOCK requests for a location that allows WebDAV authoring access.
- Record
CVE-2004-0809- Updated
- 2026-11-02
OSVDEBIAN-CVE-2004-0809 No score
The mod_dav module in Apache 2.0.50 and earlier allows remote attackers to cause a denial of service (child process crash) via a certain sequence of LOCK requests for a location that allows WebDAV authoring access.
- Record
DEBIAN-CVE-2004-0809- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
apache2Debian:12 |
before 2.0.51-1 | 2.0.51-1 |
apache2Debian:13 |
before 2.0.51-1 | 2.0.51-1 |
apache2Debian:14 |
before 2.0.51-1 | 2.0.51-1 |
libapache-mod-davDebian:3.0 |
before 1.0.3-3.1 | 1.0.3-3.1 |
httpdRed Hat:enterprise_linux:3::as |
before 0:2.0.46-40.ent | 0:2.0.46-40.ent |
httpd-debuginfoRed Hat:enterprise_linux:3::as |
before 0:2.0.46-40.ent | 0:2.0.46-40.ent |
httpd-develRed Hat:enterprise_linux:3::as |
before 0:2.0.46-40.ent | 0:2.0.46-40.ent |
mod_sslRed Hat:enterprise_linux:3::as |
before 1:2.0.46-40.ent | 1:2.0.46-40.ent |
httpdRed Hat:enterprise_linux:3::desktop |
before 0:2.0.46-40.ent | 0:2.0.46-40.ent |
httpd-debuginfoRed Hat:enterprise_linux:3::desktop |
before 0:2.0.46-40.ent | 0:2.0.46-40.ent |
Show 10 moreShow less
| Package | Affected | Fixed |
|---|---|---|
httpd-develRed Hat:enterprise_linux:3::desktop |
before 0:2.0.46-40.ent | 0:2.0.46-40.ent |
mod_sslRed Hat:enterprise_linux:3::desktop |
before 1:2.0.46-40.ent | 1:2.0.46-40.ent |
httpdRed Hat:enterprise_linux:3::es |
before 0:2.0.46-40.ent | 0:2.0.46-40.ent |
httpd-debuginfoRed Hat:enterprise_linux:3::es |
before 0:2.0.46-40.ent | 0:2.0.46-40.ent |
httpd-develRed Hat:enterprise_linux:3::es |
before 0:2.0.46-40.ent | 0:2.0.46-40.ent |
mod_sslRed Hat:enterprise_linux:3::es |
before 1:2.0.46-40.ent | 1:2.0.46-40.ent |
httpdRed Hat:enterprise_linux:3::ws |
before 0:2.0.46-40.ent | 0:2.0.46-40.ent |
httpd-debuginfoRed Hat:enterprise_linux:3::ws |
before 0:2.0.46-40.ent | 0:2.0.46-40.ent |
httpd-develRed Hat:enterprise_linux:3::ws |
before 0:2.0.46-40.ent | 0:2.0.46-40.ent |
mod_sslRed Hat:enterprise_linux:3::ws |
before 1:2.0.46-40.ent | 1:2.0.46-40.ent |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
redhat.com/support/errata/RHSA-2004-463.html
cvs.apache.org/viewcvs.cgi/httpd-2.0/modules/dav/fs/lock.c?r1=1.32&r2=1.33
trustix.org/errata/2004/0047
mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2004:096
debian.org/security/2004/dsa-558
gentoo.org/security/en/glsa/glsa-200409-21.xml
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oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9588
exchange.xforce.ibmcloud.com/vulnerabilities/17366
lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/re895fc1736d25c8cf57e102c871613b8aeec9ea26fd8a44e7942b5ab%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/rd65d8ba68ba17e7deedafbf5bb4899f2ae4dad781d21b931c2941ac3%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r734a07156abf332d5ab27fb91d9d962cacfef4f3681e44056f064fa8%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6%40%3Ccvs.httpd.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2004-0809
lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r734a07156abf332d5ab27fb91d9d962cacfef4f3681e44056f064fa8@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/rd65d8ba68ba17e7deedafbf5bb4899f2ae4dad781d21b931c2941ac3@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/re895fc1736d25c8cf57e102c871613b8aeec9ea26fd8a44e7942b5ab@%3Ccvs.httpd.apache.org%3E
lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E
github.com/advisories/GHSA-ffrj-w536-5xrc
docs.bell-sw.com/security/cves/CVE-2004-0809
security-tracker.debian.org/tracker/CVE-2004-0809
access.redhat.com/errata/RHSA-2004:463
access.redhat.com/security/updates/classification
nagoya.apache.org/bugzilla/show_bug.cgi?id=29964
nagoya.apache.org/bugzilla/show_bug.cgi?id=31183
bugzilla.redhat.com/show_bug.cgi?id=131900
security.access.redhat.com/data/csaf/v2/advisories/2004/rhsa-2004_463.json
access.redhat.com/security/cve/CVE-2004-0747
bugzilla.redhat.com/show_bug.cgi?id=1617261
cve.org/CVERecord?id=CVE-2004-0747
nvd.nist.gov/vuln/detail/CVE-2004-0747
access.redhat.com/security/cve/CVE-2004-0751
bugzilla.redhat.com/show_bug.cgi?id=1617264
cve.org/CVERecord?id=CVE-2004-0751
nvd.nist.gov/vuln/detail/CVE-2004-0751
access.redhat.com/security/cve/CVE-2004-0786
bugzilla.redhat.com/show_bug.cgi?id=1617289
cve.org/CVERecord?id=CVE-2004-0786
nvd.nist.gov/vuln/detail/CVE-2004-0786
access.redhat.com/security/cve/CVE-2004-0809
bugzilla.redhat.com/show_bug.cgi?id=1617299
cve.org/CVERecord?id=CVE-2004-0809