CVE-2009-1903

The PDF XSS protection feature in ModSecurity before 2.5.8 allows remote attackers to cause a denial of service (Apache httpd crash) via a request for a PDF file that does not use the GET method.

• http://secunia.com/advisories/34256Third Party Advisory
• http://secunia.com/advisories/34311Third Party Advisory
• http://secunia.com/advisories/35687Third Party Advisory
• http://security.gentoo.org/glsa/glsa-200907-02.xmlThird Party Advisory
• http://sourceforge.net/project/shownotes.php?release_id=667538Broken Link
• http://www.osvdb.org/52552Broken Link
• http://www.securityfocus.com/bid/34096Third Party Advisory, VDB Entry
• http://www.vupen.com/english/advisories/2009/0703Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/49211Third Party Advisory, VDB Entry
• https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00487.htmlThird Party Advisory
• https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00529.htmlThird Party Advisory
• http://secunia.com/advisories/34256Third Party Advisory
• http://secunia.com/advisories/34311Third Party Advisory
• http://secunia.com/advisories/35687Third Party Advisory
• http://security.gentoo.org/glsa/glsa-200907-02.xmlThird Party Advisory
• http://sourceforge.net/project/shownotes.php?release_id=667538Broken Link
• http://www.osvdb.org/52552Broken Link
• http://www.securityfocus.com/bid/34096Third Party Advisory, VDB Entry
• http://www.vupen.com/english/advisories/2009/0703Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/49211Third Party Advisory, VDB Entry
• https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00487.htmlThird Party Advisory
• https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00529.htmlThird Party Advisory

Published

Jun 3, 2009

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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