Description

The expat XML parser in the apr_xml_* interface in xml/apr_xml.c in Apache APR-util before 1.3.7, as used in the mod_dav and mod_dav_svn modules in the Apache HTTP Server, allows remote attackers to cause a denial of service (memory consumption) via a crafted XML document containing a large number of nested entity references, as demonstrated by a PROPFIND request, a similar issue to CVE-2003-1564.

Remediation

References

CVE-2009-1955

Related Vulnerabilities

OpenSSL Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2016-0704)

Jboss EAP Missing Release of Memory after Effective Lifetime Vulnerability (CVE-2022-0853)

WordPress Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2016-4567)

WordPress Plugin Auto Affiliate Links Multiple SQL Injection Vulnerabilities (4.9.9.4)

Atlassian Jira Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2021-26071)

Severity

High

Classification

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Tags

Missing Update Known Vulnerabilities CWE-776 CVE-2009-1955