CVE Feed

    Dashboard / CVE / CVE-2011-4362

    CVE-2011-4362

    Integer signedness error in the base64_decode function in the HTTP authentication functionality (http_auth.c) in lighttpd 1.4 before 1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to cause a denial of service (segmentation fault) via crafted base64 input that triggers an out-of-bounds read with a negative index.

    Published:Dec 24, 2011
    Last Modified:Apr 11, 2025
    EPS:Dec 24, 2011
    EPSS Score:0.0453
    CVSS Score:5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Lighttpd
    Product
    Lighttpd

    Exploits

    http://blog.pi3.com.pl/?p=277http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txthttp://redmine.lighttpd.net/issues/2370http://www.exploit-db.com/exploits/18295http://www.openwall.com/lists/oss-security/2011/11/29/13http://www.openwall.com/lists/oss-security/2011/11/29/8http://blog.pi3.com.pl/?p=277http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txthttp://redmine.lighttpd.net/issues/2370http://www.exploit-db.com/exploits/18295http://www.openwall.com/lists/oss-security/2011/11/29/13http://www.openwall.com/lists/oss-security/2011/11/29/8https://www.exploit-db.com/exploits/18295

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-77118 (CVSS 8.4) — A heap out-of-bounds write exists in the Photo CD (PCD) decoder of GraphicsMagick. In DecodeImage() (coders/pc…
    CVE-2026-56968 (CVSS 3.7) — GNU SASL before 2.2.4 lacks sanitization of a short challenge in _gsasl_ntlm_client_step in the NTLM client, w…
    CVE-2026-49975 (CVSS 7.5) — Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of …
    CVE-2026-9256 (CVSS 9.2) — NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerabilit…
    CVE-2026-31431 (CVSS 7.8) — In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating …
    CVE-2026-34757 (CVSS 5.1) — LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network …
    CVE-2026-4775 (CVSS 7.8) — A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerabili…
    CVE-2025-63261 (CVSS 7.8) — AWStats 8.0 is vulnerable to Command Injection via the open function…
    CVE-2026-3497 (CVSS 6.9) — Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects …
    CVE-2026-1940 (CVSS 5.1) — An incomplete fix for CVE-2024-47778 allows an out-of-bounds read in gst_wavparse_adtl_chunk() function. The p…

    References

    http://archives.neohapsis.com/archives/bugtraq/2011-12/0167.html
    http://blog.pi3.com.pl/?p=277
    http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txt
    http://jvn.jp/en/jp/JVN37417423/index.html
    http://redmine.lighttpd.net/issues/2370
    http://secunia.com/advisories/47260
    http://www.debian.org/security/2011/dsa-2368
    http://www.exploit-db.com/exploits/18295
    http://www.openwall.com/lists/oss-security/2011/11/29/13
    http://www.openwall.com/lists/oss-security/2011/11/29/8
    http://www.securitytracker.com/id?1026359
    https://bugzilla.redhat.com/show_bug.cgi?id=758624
    https://exchange.xforce.ibmcloud.com/vulnerabilities/71536
    http://archives.neohapsis.com/archives/bugtraq/2011-12/0167.html
    http://blog.pi3.com.pl/?p=277
    http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txt
    http://jvn.jp/en/jp/JVN37417423/index.html
    http://redmine.lighttpd.net/issues/2370
    http://secunia.com/advisories/47260
    http://www.debian.org/security/2011/dsa-2368
    http://www.exploit-db.com/exploits/18295
    http://www.openwall.com/lists/oss-security/2011/11/29/13
    http://www.openwall.com/lists/oss-security/2011/11/29/8
    http://www.securitytracker.com/id?1026359
    https://bugzilla.redhat.com/show_bug.cgi?id=758624
    https://exchange.xforce.ibmcloud.com/vulnerabilities/71536

    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