CVE-2004-0747 json
Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow dur…
published 2004-09-17 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-0745
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow during expansion of environment variables.
Patch / fix
- apache http_server 2.0.51
- apache2 Debian 14, Debian 13, Debian 12 2.0.51
debian advisories DEBIAN-CVE-2004-0747
- httpd RHEL 3 2.0.46-40.ent
- mod_ssl RHEL 3 1:2.0.46-40.ent
red hat advisories RHSA-2004:463
- lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad… patch
- lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec2… patch
- lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7… patch
- lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e27… patch
- lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce… patch
- lists.apache.org/thread.html/re895fc1736d25c8cf57e102c871613b8aeec9ea26fd8a… patch
- lists.apache.org/thread.html/rd65d8ba68ba17e7deedafbf5bb4899f2ae4dad781d21b… patch
- lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a… patch
- lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8… patch
- lists.apache.org/thread.html/r734a07156abf332d5ab27fb91d9d962cacfef4f3681e4… patch
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2004-0747 updated
security flaw
-
Red Hat Desktop version 3 httpd 2.0.46-40.ent, mod_ssl 2.0.46-40.ent Red Hat Enterprise Linux AS version 3 httpd 2.0.46-40.ent, mod_ssl 2.0.46-40.ent Red Hat Enterprise Linux ES version 3 httpd 2.0.46-40.ent, mod_ssl 2.0.46-40.ent Red Hat Enterprise Linux WS version 3 httpd 2.0.46-40.ent, mod_ssl 2.0.46-40.entfixed: vendor fix RHSA-2004:463
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
1.61% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-131 Incorrect Calculation of Buffer Size
- Technology feeds
References
-
lists.apache.org
/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
mailing-list, patch
-
lists.apache.org
/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E
mailing-list, patch
-
lists.apache.org
/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E
mailing-list, patch
-
lists.apache.org
/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E
mailing-list, patch
-
lists.apache.org
/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
mailing-list, patch
-
lists.apache.org
/thread.html/re895fc1736d25c8cf57e102c871613b8aeec9ea26fd8a44e7942b5ab%40%3Ccvs.httpd.apache.org%3E
mailing-list, patch
-
lists.apache.org
/thread.html/rd65d8ba68ba17e7deedafbf5bb4899f2ae4dad781d21b931c2941ac3%40%3Ccvs.httpd.apache.org%3E
mailing-list, patch
-
lists.apache.org
/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E
mailing-list, patch
-
lists.apache.org
/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E
mailing-list, patch
-
lists.apache.org
/thread.html/r734a07156abf332d5ab27fb91d9d962cacfef4f3681e44056f064fa8%40%3Ccvs.httpd.apache.org%3E
mailing-list, patch
-
lists.apache.org
/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
mailing-list, patch
-
lists.apache.org
/thread.html/r8c9983f1172a3415f915ddb7e14de632d2d0c326eb1285755a024165%40%3Ccvs.httpd.apache.org%3E
mailing-list, patch
-
lists.apache.org
/thread.html/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6%40%3Ccvs.httpd.apache.org%3E
mailing-list, patch
-
novell.com
/linux/security/advisories/2004_32_apache2.html
vendor-advisory, broken-link
-
redhat.com
/support/errata/RHSA-2004-463.html
vendor-advisory, broken-link, third-party-advisory
-
trustix.org
/errata/2004/0047/
vendor-advisory, broken-link
-
mandrakesecure.net
/en/advisories/advisory.php?name=MDKSA-2004:096
vendor-advisory, broken-link
-
gentoo.org
/security/en/glsa/glsa-200409-21.xml
vendor-advisory, third-party-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/17384
vdb-entry, third-party-advisory
-
vupen.com
/english/advisories/2009/1233
vdb-entry, broken-link, permissions-required
-
secunia.com
/advisories/12540
third-party-advisory, broken-link, not-applicable
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11561
vdb-entry, signature, broken-link, third-party-advisory
-
secunia.com
/advisories/34920
third-party-advisory, broken-link, not-applicable
-
support.ca.com
/irj/portal/anonymous/phpsupcontent?contentID=205147
broken-link
-
kb.cert.org
/vuls/id/481998
third-party-advisory, us-government-resource
-
securitytracker.com
/id?1011303
vdb-entry, broken-link, third-party-advisory
Sources
- CVE List CVE-2004-0747
- NVD CVE-2004-0747
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.