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Vulnerability record · CVE-2010-0434 · published 5 March 2010

CVE-2010-0434: Apache http server information exposure vulnerability

Apache · Http Server

The ap_read_request function in server/protocol.c in the Apache HTTP Server 2.2.x before 2.2.15, when a multithreaded MPM is used, does not properly handle headers in subrequests in certain circumstances involving a parent request that has a body, which might allow remote attackers to obtain sensitive information via a crafted request that triggers access to memory locations associated with an earlier request.

4.3 CVSS 2.0 Medium EPSS 18% · top 2.9% CWE-200 · Information exposure
4.3CVSS 2.0 base score
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
118References
16 Jun 2026Last modified by NVD

Description

The ap_read_request function in server/protocol.c in the Apache HTTP Server 2.2.x before 2.2.15, when a multithreaded MPM is used, does not properly handle headers in subrequests in certain circumstances involving a parent request that has a body, which might allow remote attackers to obtain sensitive information via a crafted request that triggers access to memory locations associated with an earlier request.

AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://httpd.apache.org/security/vulnerabilities_22.html PatchVendor Advisory
http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html Broken LinkMailing List
http://lists.fedoraproject.org/pipermail/package-announce/2010-April/039957.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-May/040652.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00006.html Mailing ListThird Party Advisory
http://lists.vmware.com/pipermail/security-announce/2010/000105.html Mailing ListThird Party Advisory
http://marc.info/?l=bugtraq&m=127557640302499&w=2 Issue TrackingMailing ListThird Party Advisory
http://secunia.com/advisories/39100 Not Applicable
http://secunia.com/advisories/39115 Not Applicable
http://secunia.com/advisories/39501 Not Applicable
http://secunia.com/advisories/39628 Not Applicable
http://secunia.com/advisories/39632 Not Applicable
http://secunia.com/advisories/39656 Not Applicable
http://secunia.com/advisories/40096 Not Applicable
http://support.apple.com/kb/HT4435 Broken Link
http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/server/protocol.c?r1=917617&r2=917867&pathrev=917867&diff_format PatchVendor Advisory
http://svn.apache.org/viewvc?view=revision&revision=917867 PatchVendor Advisory
http://svn.apache.org/viewvc?view=revision&revision=918427 PatchVendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PM08939 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PM12247 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PM15829 Third Party Advisory
http://www.debian.org/security/2010/dsa-2035 Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujuly2013-1899826.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2010-0168.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2010-0175.html Third Party Advisory
http://www.securityfocus.com/bid/38494 Third Party AdvisoryVDB Entry
http://www.vmware.com/security/advisories/VMSA-2010-0014.html Third Party Advisory
http://www.vupen.com/english/advisories/2010/0911 Permissions Required
http://www.vupen.com/english/advisories/2010/0994 Permissions Required
http://www.vupen.com/english/advisories/2010/1001 Permissions Required
http://www.vupen.com/english/advisories/2010/1057 Permissions Required
http://www.vupen.com/english/advisories/2010/1411 Permissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=570171 Issue TrackingThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/56625 Third Party AdvisoryVDB Entry
https://issues.apache.org/bugzilla/show_bug.cgi?id=48359 Issue TrackingVendor Advisory
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%
https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org

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Source: NIST National Vulnerability Database (record CVE-2010-0434), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.