The date handling code in modules/proxy/proxy_util.c (mod_proxy) in Apache 2.3.0, when using a threaded MPM, allows remote origin servers…

Description

The date handling code in modules/proxy/proxy_util.c (mod_proxy) in Apache 2.3.0, when using a threaded MPM, allows remote origin servers to cause a denial of service (caching forward proxy process crash) via crafted date headers that trigger a buffer over-read.

Scores

EPSS (exploitation in 30 days)

12.9% · top 3.7% 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-125 (opens in a new tab)All about CWE-125 and its CVEs

Affected products

• n/a

  • affected n/a

References (82)

• 28606 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2008:0005 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• ADV-2007-3955 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 28922 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• oval:org.mitre.oval:def:10525 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 28749 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• PK52702 (opens in a new tab)vendor-advisoryx_refsource_AIXAPARx_transferred
• HPSBUX02273 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 26952 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 26993 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SSA:2008-045-02 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
• 26636 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 27563 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 1018633 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 27732 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 27209 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2007:0911 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• [apache-httpd-dev] 20070801 Re: svn commit: r561616 - in /httpd/httpd/trunk: CHANGES modules/proxy/proxy_util.c (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• http://www.oracle.com/technetwork/topics/security/cpujuly2013-1899826.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 26790 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• [apache-httpd-dev] 20070801 Re: svn commit: r561616 - in /httpd/httpd/trunk: CHANGES modules/proxy/proxy_util.c (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• ADV-2008-0924 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• http://httpd.apache.org/security/vulnerabilities_20.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• TA08-150A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
• SUSE-SA:2007:061 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• FEDORA-2007-2214 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• RHSA-2007:0747 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• ADV-2007-3494 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 29420 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://httpd.apache.org/security/vulnerabilities_22.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://issues.rpath.com/browse/RPL-1710 (opens in a new tab)x_refsource_CONFIRMx_transferred
• APPLE-SA-2008-03-18 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• 30430 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• MDKSA-2007:235 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• APPLE-SA-2008-05-28 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• http://support.avaya.com/elmodocs2/security/ASA-2007-500.htm (opens in a new tab)x_refsource_CONFIRMx_transferred
• 20090821 VMSA-2009-0010 VMware Hosted products update libpng and Apache HTTP Server (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 28467 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2008-0233 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 26722 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.fujitsu.com/global/support/software/security/products-f/interstage-200802e.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 27971 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• [security-announce] 20090820 VMSA-2009-0010 VMware Hosted products update libpng and Apache HTTP Server (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 27882 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• GLSA-200711-06 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• ADV-2007-3095 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• http://www-1.ibm.com/support/docview.wss?rs=180&uid=swg27007951 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://docs.info.apple.com/article.html?artnum=307562 (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2007:0746 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• PK50469 (opens in a new tab)vendor-advisoryx_refsource_AIXAPARx_transferred
• FEDORA-2007-707 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• 27593 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2008-1697 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• USN-575-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 26842 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2007-3283 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• ADV-2007-3020 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 25489 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• [apache-cvs] 20070801 svn commit: r561616 - in /httpd/httpd/trunk: CHANGES (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• http://bugs.gentoo.org/show_bug.cgi?id=186219 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [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/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [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/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 [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/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [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/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
• [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: 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: r1888194 [4/13] - /httpd/site/trunk/content/security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [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.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073143 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073139 [4/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073149 [5/13] - 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 [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] 20210603 svn commit: r1075360 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.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
• [httpd-cvs] 20210603 svn commit: r1075360 [1/3] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.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
• [httpd-cvs] 20210606 svn commit: r1075467 [2/2] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.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
• [httpd-cvs] 20210606 svn commit: r1075467 [1/2] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.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
• [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-2007-3847](https://trackcve.app/badge/CVE-2007-3847.svg)](https://trackcve.app/cve/CVE-2007-3847)

Record last updated 7 Aug 2024, 14:28 UTC.