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    CVE-2013-2765

    The ModSecurity module before 2.7.4 for the Apache HTTP Server allows remote attackers to cause a denial of service (NULL pointer dereference, process crash, and disk consumption) via a POST request with a large body and a crafted Content-Type header.

    Published:Jul 15, 2013
    Last Modified:Apr 11, 2025
    EPS:Jul 15, 2013
    EPSS Score:0.04332
    CVSS Score:5

    Affected Products

    Vendor
    Apache
    Product
    Http Server
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Trustwave
    Product
    Modsecurity

    Exploits

    https://github.com/shookalabs/exploits/blob/master/modsecurity_cve_2013_2765_check.pyhttps://github.com/shookalabs/exploits/blob/master/modsecurity_cve_2013_2765_check.pyhttps://www.exploit-db.com/exploits/25852

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-48913 (CVSS 7.3) — Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted. …
    CVE-2026-42536 (CVSS 7.5) — Heap-based Buffer Overflow vulnerability in Apache HTTP Server with mod_xml2enc, xml2StartParse, and untrusted…
    CVE-2026-44185 (CVSS 7.3) — Buffer Over-read vulnerability in Apache HTTP Server via outbound OCSP requests to an attacker controlled OCSP…
    CVE-2026-34355 (CVSS 7.5) — A buffer overflow in mod_proxy_html in Apache HTTP Server 2.4.67 and earlier allows an attack by an untrusted …
    CVE-2026-44631 (CVSS 9.8) — Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. Th…
    CVE-2026-44119 (CVSS 5.5) — Improper Privilege Management vulnerability in Apache HTTP Server 2.4.67 and earlier allows local .htaccess au…
    CVE-2026-43951 (CVSS 6.5) — Out-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response lan…
    CVE-2026-42535 (CVSS 9.1) — A path handling issue in mod_dav_fs in Apache 2.4.67 and earlier allows a WebDAV content author to directly ma…
    CVE-2026-34356 (CVSS 7.5) — Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassRev…
    CVE-2026-44186 (CVSS 7.3) — Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in the mod_proxy_ftp module in Apache HTT…

    References

    http://archives.neohapsis.com/archives/bugtraq/2013-05/0125.html
    http://lists.opensuse.org/opensuse-updates/2013-08/msg00020.html
    http://lists.opensuse.org/opensuse-updates/2013-08/msg00025.html
    http://lists.opensuse.org/opensuse-updates/2013-08/msg00031.html
    http://sourceforge.net/mailarchive/message.php?msg_id=30900019
    http://www.modsecurity.org/
    http://www.shookalabs.com/
    https://bugzilla.redhat.com/show_bug.cgi?id=967615
    https://github.com/SpiderLabs/ModSecurity/commit/0840b13612a0b7ef1ce7441cf811dcfc6b463fba
    https://github.com/shookalabs/exploits/blob/master/modsecurity_cve_2013_2765_check.py
    https://raw.github.com/SpiderLabs/ModSecurity/master/CHANGES
    http://archives.neohapsis.com/archives/bugtraq/2013-05/0125.html
    http://lists.opensuse.org/opensuse-updates/2013-08/msg00020.html
    http://lists.opensuse.org/opensuse-updates/2013-08/msg00025.html
    http://lists.opensuse.org/opensuse-updates/2013-08/msg00031.html
    http://sourceforge.net/mailarchive/message.php?msg_id=30900019
    http://www.modsecurity.org/
    http://www.shookalabs.com/
    https://bugzilla.redhat.com/show_bug.cgi?id=967615
    https://github.com/SpiderLabs/ModSecurity/commit/0840b13612a0b7ef1ce7441cf811dcfc6b463fba
    https://github.com/shookalabs/exploits/blob/master/modsecurity_cve_2013_2765_check.py
    https://raw.github.com/SpiderLabs/ModSecurity/master/CHANGES

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High