Description
The mod_deflate module in Apache httpd 2.2.11 and earlier compresses large files until completion even after the associated network connection is closed, which allows remote attackers to cause a denial of service (CPU consumption).
Published: 2009-07-10
Score: 7.1 High
EPSS: 18.8% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-1834-1 New apache2 packages fix denial of service
Debian DSA Debian DSA DSA-1834-2 New apache/apache2-mpm-itk fix regression
Ubuntu USN Ubuntu USN USN-802-1 Apache vulnerabilities
References
Link Providers
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534712 cve-icon cve-icon
http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00006.html cve-icon cve-icon
http://marc.info/?l=apache-httpd-dev&m=124621326524824&w=2 cve-icon cve-icon
http://marc.info/?l=apache-httpd-dev&m=124661528519546&w=2 cve-icon cve-icon
http://marc.info/?l=bugtraq&m=129190899612998&w=2 cve-icon cve-icon
http://marc.info/?l=bugtraq&m=130497311408250&w=2 cve-icon cve-icon
http://osvdb.org/55782 cve-icon cve-icon
http://secunia.com/advisories/35721 cve-icon cve-icon
http://secunia.com/advisories/35781 cve-icon cve-icon
http://secunia.com/advisories/35793 cve-icon cve-icon
http://secunia.com/advisories/35865 cve-icon cve-icon
http://secunia.com/advisories/37152 cve-icon cve-icon
http://secunia.com/advisories/37221 cve-icon cve-icon
http://security.gentoo.org/glsa/glsa-200907-04.xml cve-icon cve-icon
http://support.apple.com/kb/HT3937 cve-icon cve-icon
http://wiki.rpath.com/Advisories:rPSA-2009-0142 cve-icon cve-icon
http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0142 cve-icon cve-icon
http://www-01.ibm.com/support/docview.wss?uid=swg1PK91361 cve-icon cve-icon
http://www-01.ibm.com/support/docview.wss?uid=swg1PK99480 cve-icon cve-icon
http://www.debian.org/security/2009/dsa-1834 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2009:149 cve-icon cve-icon
http://www.redhat.com/support/errata/RHSA-2009-1156.html cve-icon cve-icon
http://www.securityfocus.com/archive/1/507857/100/0/threaded cve-icon cve-icon
http://www.securitytracker.com/id?1022529 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-802-1 cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/1841 cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/3184 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=509125 cve-icon cve-icon
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r7dd6be4dc38148704f2edafb44a8712abaa3a2be120d6c3314d55919%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r84d043c2115176958562133d96d851495d712aa49da155d81f6733be%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rc4c53a0d57b2771ecd4b965010580db355e38137c8711311ee1073a8%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2009-1891 cve-icon
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12361 cve-icon cve-icon
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8632 cve-icon cve-icon
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9248 cve-icon cve-icon
https://rhn.redhat.com/errata/RHSA-2009-1148.html cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2009-1891 cve-icon
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01363.html cve-icon cve-icon
History

No history.

Subscriptions

Apache Http Server
Canonical Ubuntu Linux
Debian Debian Linux
Fedoraproject Fedora
Redhat Certificate System Enterprise Linux Enterprise Linux Desktop Enterprise Linux Eus Enterprise Linux Server Enterprise Linux Server Aus Enterprise Linux Workstation Jboss Enterprise Web Server
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-07T05:27:54.767Z

Reserved: 2009-06-02T00:00:00.000Z

Link: CVE-2009-1891

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2009-07-10T15:30:00.187

Modified: 2025-04-09T00:30:58.490

Link: CVE-2009-1891

cve-icon Redhat

Severity : Low

Publid Date: 2009-06-26T00:00:00Z

Links: CVE-2009-1891 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses