Description
The byte-range filter in Apache 2.0 before 2.0.54 allows remote attackers to cause a denial of service (memory consumption) via an HTTP header with a large Range field.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | apache2 | 2.0.54-5 | — |
| Debian 13 | apache2 | 2.0.54-5 | — |
| Debian 12 | apache2 | 2.0.54-5 | — |
| Debian 3.1 | apache2 | 2.0.54-5 | DSA-805-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | httpd +3 | 2.0.52-12.2.ent | RHSA-2005:608 |
| RHEL 4 | mod_ssl | 1:2.0.52-12.2.ent | RHSA-2005:608 |
| RHEL 3 | httpd +1 | 2.0.46-46.3.ent | RHSA-2005:608 |
| RHEL 3 | mod_ssl | 1:2.0.46-46.3.ent | RHSA-2005:608 |
Advisories 2
- RHSA-2005:608 Red Hat Security Advisory: httpd security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- DSA-805-1 apache2 - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- 16705 third-party-advisory
- 14660 vdb-entry
- RHSA-2005:608 vendor-advisory
- oval:org.mitre.oval:def:10017 vdb-entry signature
- 16743 third-party-advisory
- 16753 third-party-advisory
- http://support.avaya.com/elmodocs2/security/ASA-2006-081.htm
- TSLSA-2005-0059 vendor-advisory
- SUSE-SA:2005:051 vendor-advisory
- 17831 third-party-advisory
- USN-177-1 vendor-advisory
- GLSA-200508-15 vendor-advisory
- SSRT051251 vendor-advisory
- apache-byterange-dos(22006) vdb-entry
- oval:org.mitre.oval:def:1246 vdb-entry signature
- 16754 third-party-advisory
- 18333 third-party-advisory
- MDKSA-2005:161 vendor-advisory
- 604 third-party-advisory
- 17923 third-party-advisory
- http://issues.apache.org/bugzilla/show_bug.cgi?id=29962
- 16789 third-party-advisory
- 16714 third-party-advisory
- 16769 third-party-advisory
- 17036 third-party-advisory
- 17288 third-party-advisory
- 16956 third-party-advisory
- 19072 third-party-advisory
- 18517 third-party-advisory
- oval:org.mitre.oval:def:760 vdb-entry signature
- 16746 third-party-advisory
- SUSE-SA:2005:052 vendor-advisory
- DSA-805 vendor-advisory
- 17600 third-party-advisory
- 16559 third-party-advisory
- 18161 third-party-advisory
- oval:org.mitre.oval:def:1727 vdb-entry signature
- 102198 vendor-advisory
- ADV-2006-0789 vdb-entry
- [httpd-cvs] 20190815 svn commit: r1048742 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilit mailing-list
- [httpd-cvs] 20190815 svn commit: r1048743 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilit mailing-list
- [httpd-cvs] 20200401 svn commit: r1058586 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilit mailing-list
- [httpd-cvs] 20200401 svn commit: r1058587 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilit mailing-list
- [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ mailing-list
- [httpd-cvs] 20210330 svn commit: r1888194 [4/13] - /httpd/site/trunk/content/security/json/ mailing-list
- [httpd-cvs] 20210330 svn commit: r1073140 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.ht mailing-list
- [httpd-cvs] 20210330 svn commit: r1073143 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/ mailing-list
- [httpd-cvs] 20210330 svn commit: r1073139 [4/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ mailing-list
- [httpd-cvs] 20210330 svn commit: r1073149 [5/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ mailing-list
- [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ mailing-list
- [httpd-cvs] 20210606 svn commit: r1075470 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabiliti mailing-list