The chunked transfer coding implementation in the Apache HTTP Server before 2.4.14 does not properly parse chunk headers, which allows…

Description

The chunked transfer coding implementation in the Apache HTTP Server before 2.4.14 does not properly parse chunk headers, which allows remote attackers to conduct HTTP request smuggling attacks via a crafted request, related to mishandling of large chunk-size values and invalid chunk-extension characters in modules/http/http_filters.c.

Scores

EPSS (exploitation in 30 days)

74.4% · top 0.5% of all CVEs (3 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-17 (opens in a new tab)All about CWE-17 and its CVEs
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• n/a

  • affected n/a

References (53)

• HPSBUX03512 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• RHSA-2016:2056 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• openSUSE-SU-2015:1684 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://httpd.apache.org/security/vulnerabilities_24.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2016:0061 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• GLSA-201610-02 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2015:1667 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2016:0062 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• http://www.apache.org/dist/httpd/CHANGES_2.4 (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2015:1666 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04832246 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1032967 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• RHSA-2015:1668 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2015:2661 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2016:2055 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• USN-2686-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• APPLE-SA-2015-08-13-2 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• 75963 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• DSA-3325 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• RHSA-2015:2659 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://github.com/apache/httpd/commit/e427c41257957b57036d5a549b260b6185d1dd73 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://puppet.com/security/cve/CVE-2015-3183 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 91787 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• RHSA-2015:2660 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2016:2054 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://support.apple.com/kb/HT205031 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04926789 (opens in a new tab)x_refsource_CONFIRMx_transferred
• APPLE-SA-2015-09-16-4 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• https://support.apple.com/HT205219 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• [httpd-cvs] 20190815 svn commit: r1048743 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20190815 svn commit: r1048742 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20190815 svn commit: r1048743 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20190815 svn commit: r1048742 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20200401 svn commit: r1058586 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20200401 svn commit: r1058586 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20200401 svn commit: r1058587 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20200401 svn commit: r1058587 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• https://github.com/apache/httpd/commit/a6027e56924bb6227c1fdbf6f91e7e2438338be6 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073139 [9/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073140 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073140 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1888194 [9/13] - /httpd/site/trunk/content/security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073146 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073146 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073149 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210606 svn commit: r1075470 [3/4] - 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/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2015-3183](https://trackcve.app/badge/CVE-2015-3183.svg)](https://trackcve.app/cve/CVE-2015-3183)

Record last updated 6 Aug 2024, 05:39 UTC.