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Servers and applications

CVE-2010-0434

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…

Severity
Medium 4.3
Published
5 Mar 2010
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
2.0.64, 2.2.15
Exploit chance
18% in the next 30 daysHigher than 97% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Information exposure (CWE-200)
Attack
Over the network · No login needed
Attacker can
Read some data
CVSS vector
AV:N/AC:M/Au:N/C:P/I:N/A:N
Sources
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.

From NVD.

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • From 2.0.35 before 2.0.64
  • From 2.2.0 before 2.2.15

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2010-0434
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2010-0434