CVE-2005-2728

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.

Published: 2005-08-30 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-2728 is rated Moderate Risk (59.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 61.79%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +30.00% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-2728

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-04 31.80% 61.79% +30.00%
2 2026-03-01 61.79% 31.80% -30.00%
3 2026-02-04 61.79%

Full EPSS history (47 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-2728

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2005-2728

OS Trackers for CVE-2005-2728

vendor priority summary link
debian medium CVE-2005-2728 medium priority: Debian including 1 source packages (apache2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2005-2728
gentoo normal CVE-2005-2728: 1 GLSA(s) (200508-15), 1 atom(s) (www-servers/apache); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2005-2728
redhat medium https://access.redhat.com/security/cve/CVE-2005-2728
ubuntu medium CVE-2005-2728 medium priority: Ubuntu including 1 source packages (apache2), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2005-2728

Vendor comments (NVD) for CVE-2005-2728

  • Apache (2008-07-02T00:00:00)

    Fixed in Apache HTTP Server 2.0.55: http://httpd.apache.org/security/vulnerabilities_20.html

Affected software / configurations for CVE-2005-2728

Vendor Product Version Raw CPE
apache http_server 2.0 cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:*
apache http_server 2.0.9 cpe:2.3:a:apache:http_server:2.0.9:*:*:*:*:*:*:*
apache http_server 2.0.28 cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:*
apache http_server 2.0.28 cpe:2.3:a:apache:http_server:2.0.28:beta:*:*:*:*:*:*
apache http_server 2.0.32 cpe:2.3:a:apache:http_server:2.0.32:*:*:*:*:*:*:*
apache http_server 2.0.35 cpe:2.3:a:apache:http_server:2.0.35:*:*:*:*:*:*:*
apache http_server 2.0.36 cpe:2.3:a:apache:http_server:2.0.36:*:*:*:*:*:*:*
apache http_server 2.0.37 cpe:2.3:a:apache:http_server:2.0.37:*:*:*:*:*:*:*
apache http_server 2.0.38 cpe:2.3:a:apache:http_server:2.0.38:*:*:*:*:*:*:*
apache http_server 2.0.39 cpe:2.3:a:apache:http_server:2.0.39:*:*:*:*:*:*:*
apache http_server 2.0.40 cpe:2.3:a:apache:http_server:2.0.40:*:*:*:*:*:*:*
apache http_server 2.0.41 cpe:2.3:a:apache:http_server:2.0.41:*:*:*:*:*:*:*
apache http_server 2.0.42 cpe:2.3:a:apache:http_server:2.0.42:*:*:*:*:*:*:*
apache http_server 2.0.43 cpe:2.3:a:apache:http_server:2.0.43:*:*:*:*:*:*:*
apache http_server 2.0.44 cpe:2.3:a:apache:http_server:2.0.44:*:*:*:*:*:*:*
apache http_server 2.0.45 cpe:2.3:a:apache:http_server:2.0.45:*:*:*:*:*:*:*
apache http_server 2.0.46 cpe:2.3:a:apache:http_server:2.0.46:*:*:*:*:*:*:*
apache http_server 2.0.47 cpe:2.3:a:apache:http_server:2.0.47:*:*:*:*:*:*:*
apache http_server 2.0.48 cpe:2.3:a:apache:http_server:2.0.48:*:*:*:*:*:*:*
apache http_server 2.0.49 cpe:2.3:a:apache:http_server:2.0.49:*:*:*:*:*:*:*
apache http_server 2.0.50 cpe:2.3:a:apache:http_server:2.0.50:*:*:*:*:*:*:*
apache http_server 2.0.51 cpe:2.3:a:apache:http_server:2.0.51:*:*:*:*:*:*:*
apache http_server 2.0.52 cpe:2.3:a:apache:http_server:2.0.52:*:*:*:*:*:*:*
apache http_server 2.0.53 cpe:2.3:a:apache:http_server:2.0.53:*:*:*:*:*:*:*

References for CVE-2005-2728

URL Tags
ftp://patches.sgi.com/support/free/security/advisories/20060101-01-U
http://issues.apache.org/bugzilla/show_bug.cgi?id=29962 Patch Vendor Advisory
http://lists.trustix.org/pipermail/tsl-announce/2005-October/000354.html
http://secunia.com/advisories/16559/ Vendor Advisory
http://secunia.com/advisories/16705
http://secunia.com/advisories/16714
http://secunia.com/advisories/16743
http://secunia.com/advisories/16746
http://secunia.com/advisories/16753
http://secunia.com/advisories/16754
http://secunia.com/advisories/16769
http://secunia.com/advisories/16789
http://secunia.com/advisories/16956
http://secunia.com/advisories/17036
http://secunia.com/advisories/17288
http://secunia.com/advisories/17600
http://secunia.com/advisories/17831
http://secunia.com/advisories/17923
http://secunia.com/advisories/18161
http://secunia.com/advisories/18333
http://secunia.com/advisories/18517
http://secunia.com/advisories/19072
http://securityreason.com/securityalert/604
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102198-1
http://support.avaya.com/elmodocs2/security/ASA-2006-081.htm
http://www.debian.org/security/2005/dsa-805
http://www.gentoo.org/security/en/glsa/glsa-200508-15.xml Patch Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2005:161
http://www.novell.com/linux/security/advisories/2005_51_apache2.html
http://www.novell.com/linux/security/advisories/2005_52_apache2.html
http://www.redhat.com/support/errata/RHSA-2005-608.html
http://www.securityfocus.com/archive/1/428138/100/0/threaded
http://www.securityfocus.com/bid/14660 Patch
http://www.ubuntu.com/usn/usn-177-1
http://www.vupen.com/english/advisories/2006/0789
https://exchange.xforce.ibmcloud.com/vulnerabilities/22006
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%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/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%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/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r652fc951306cdeca5a276e2021a34878a76695a9f3cfb6490b4a6840%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/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%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/rafd145ba6cd0a4ced113a5823cdaff45aeb36eb09855b216401c66d6%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/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10017
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1246
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1727
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A760
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