Is CVE-2007-1863 being actively exploited?

CVE-2007-1863 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-1863?

CVE-2007-1863 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2007-1863

MEDIUM · CVSS 5.0EPSS 11.8%EU EUVD

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.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS score: 11.8% (96th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-1857)
Published: June 27, 2007
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-1857 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

apache / http server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server
apple / mac os x server

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Apple Mac OS X v10.3.6 and Apple Mac OS X Server V10.3.6 - Apple Inc. - Common Criteria CCEVS-VR-0086-2005 - archived

References

http://bugs.gentoo.org/show_bug.cgi?id=186219(Third Party Advisory)
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=244658(Issue Tracking)
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01178795(Broken Link)
http://httpd.apache.org/security/vulnerabilities_20.html(Vendor Advisory)
http://httpd.apache.org/security/vulnerabilities_22.html(Vendor Advisory)
http://lists.apple.com/archives/security-announce/2008//May/msg00001.html(Third Party Advisory)
http://lists.vmware.com/pipermail/security-announce/2009/000062.html(Third Party Advisory, VDB Entry)
http://osvdb.org/37079(Broken Link)
http://rhn.redhat.com/errata/RHSA-2007-0534.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2007-0556.html(Third Party Advisory, VDB Entry)
http://secunia.com/advisories/25830(Broken Link)
http://secunia.com/advisories/25873(Broken Link)
http://secunia.com/advisories/25920(Broken Link)
http://secunia.com/advisories/26273(Broken Link)
http://secunia.com/advisories/26443(Broken Link)
http://secunia.com/advisories/26508(Broken Link)
http://secunia.com/advisories/26822(Broken Link)
http://secunia.com/advisories/26842(Broken Link)
http://secunia.com/advisories/26993(Broken Link)
http://secunia.com/advisories/27037(Broken Link)
http://secunia.com/advisories/27563(Broken Link)
http://secunia.com/advisories/27732(Broken Link)
http://secunia.com/advisories/28606(Broken Link)
http://secunia.com/advisories/30430(Broken Link)
http://security.gentoo.org/glsa/glsa-200711-06.xml(Third Party Advisory)
http://support.avaya.com/elmodocs2/security/ASA-2007-353.htm(Third Party Advisory)
http://svn.apache.org/viewvc?view=rev&revision=535617(Third Party Advisory)
http://www-1.ibm.com/support/docview.wss?uid=swg1PK49355(Third Party Advisory)
http://www-1.ibm.com/support/docview.wss?uid=swg1PK52702(Third Party Advisory)
http://www.fujitsu.com/global/support/software/security/products-f/interstage-200802e.html(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDKSA-2007:140(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDKSA-2007:141(Third Party Advisory)
http://www.novell.com/linux/security/advisories/2007_61_apache2.html(Broken Link)
http://www.redhat.com/archives/fedora-package-announce/2007-September/msg00320.html(Mailing List, Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2007-0557.html(Broken Link)
http://www.securityfocus.com/archive/1/505990/100/0/threaded(Third Party Advisory, VDB Entry)
http://www.securityfocus.com/bid/24649(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1018303(Third Party Advisory, VDB Entry)
http://www.trustix.org/errata/2007/0026/(Broken Link)
http://www.ubuntu.com/usn/usn-499-1(Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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