CVE-2007-1863

high

Description

cache_util.c in the mod_cache module in Apache HTTP Server (httpd), when caching is enabled and a threaded Multi-Processing Module (MPM) is used, allows remote attackers to cause a denial of service (child processing handler crash) via a request with the (1) s-maxage, (2) max-age, (3) min-fresh, or (4) max-stale Cache-Control headers without a value.

References

Advisories
More

https://rhn.redhat.com/errata/RHSA-2007-0533.html

https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/reb542d2038e9c331506e0cbff881b47e40fbe2bd93ff00979e60cdf7%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/rafd145ba6cd0a4ced113a5823cdaff45aeb36eb09855b216401c66d6%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/r8c9983f1172a3415f915ddb7e14de632d2d0c326eb1285755a024165%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E

http://www.vupen.com/english/advisories/2008/1697

http://www.vupen.com/english/advisories/2008/0233

http://www.vupen.com/english/advisories/2007/3386

http://www.vupen.com/english/advisories/2007/3283

http://www.vupen.com/english/advisories/2007/2727

http://www.ubuntu.com/usn/usn-499-1

http://www.securitytracker.com/id?1018303

http://www.securityfocus.com/bid/24649

http://www.securityfocus.com/archive/1/505990/100/0/threaded

http://www.redhat.com/archives/fedora-package-announce/2007-September/msg00320.html

http://www.mandriva.com/security/advisories?name=MDKSA-2007:141

http://www.mandriva.com/security/advisories?name=MDKSA-2007:140

http://www.fujitsu.com/global/support/software/security/products-f/interstage-200802e.html

http://www-1.ibm.com/support/docview.wss?uid=swg1PK52702

http://www-1.ibm.com/support/docview.wss?uid=swg1PK49355

http://svn.apache.org/viewvc?view=rev&revision=535617

http://support.avaya.com/elmodocs2/security/ASA-2007-353.htm

http://security.gentoo.org/glsa/glsa-200711-06.xml

http://rhn.redhat.com/errata/RHSA-2007-0556.html

http://rhn.redhat.com/errata/RHSA-2007-0534.html

http://lists.vmware.com/pipermail/security-announce/2009/000062.html

http://lists.apple.com/archives/security-announce/2008//May/msg00001.html

http://bugs.gentoo.org/show_bug.cgi?id=186219

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9824

https://lists.apache.org/thread.html/r652fc951306cdeca5a276e2021a34878a76695a9f3cfb6490b4a6840%40%3Ccvs.httpd.apache.org%3E

https://issues.rpath.com/browse/RPL-1500

https://euvd.enisa.europa.eu/vulnerability/EUVD-2007-1857

http://www.us-cert.gov/cas/techalerts/TA08-150A.html

http://www.trustix.org/errata/2007/0026/

http://www.redhat.com/support/errata/RHSA-2007-0557.html

http://www.novell.com/linux/security/advisories/2007_61_apache2.html

http://secunia.com/advisories/30430

http://secunia.com/advisories/28606

http://secunia.com/advisories/27732

http://secunia.com/advisories/27563

http://secunia.com/advisories/27037

http://secunia.com/advisories/26993

http://secunia.com/advisories/26842

http://secunia.com/advisories/26822

http://secunia.com/advisories/26508

http://secunia.com/advisories/26443

http://secunia.com/advisories/26273

http://secunia.com/advisories/25920

http://secunia.com/advisories/25873

http://secunia.com/advisories/25830

http://osvdb.org/37079

http://httpd.apache.org/security/vulnerabilities_22.html

http://httpd.apache.org/security/vulnerabilities_20.html

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01178795

http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=244658

Details

Source: Mitre, NVD

Published: 2007-06-27

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.11786