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    CVE-2007-1869

    lighttpd 1.4.12 and 1.4.13 allows remote attackers to cause a denial of service (cpu and resource consumption) by disconnecting while lighttpd is parsing CRLF sequences, which triggers an infinite loop and file descriptor consumption.

    Published:Apr 18, 2007
    Last Modified:Apr 23, 2026
    EPS:Apr 18, 2007
    EPSS Score:0.05804
    CVSS Score:5

    Affected Products

    Vendor
    Lighttpd
    Product
    Lighttpd

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-12642 (CVSS 6.9) — lighttpd1.4.80 incorrectly merged trailer fields into headers after http request parsing. This behavior can be…
    CVE-2025-8759 (CVSS 2.9) — A vulnerability was found in TRENDnet TN-200 1.02b02. It has been declared as problematic. This vulnerability …
    CVE-2018-25103 (CVSS 5.3) — There exists use-after-free vulnerabilities in lighttpd <= 1.4.50 request parsing which might read from invali…
    CVE-2022-41556 (CVSS 7.5) — A resource leak in gw_backend.c in lighttpd 1.4.56 through 1.4.66 could lead to a denial of service (connectio…
    CVE-2022-37797 (CVSS 7.5) — In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (we…
    CVE-2022-30780 (CVSS 7.5) — Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU consumption from stu…
    CVE-2022-22707 (CVSS 5.9) — In lighttpd 1.4.46 through 1.4.63, the mod_extforward_Forwarded function of the mod_extforward plugin has a st…
    CVE-2019-11072 (CVSS 9.8) — lighttpd before 1.4.54 has a signed integer overflow, which might allow remote attackers to cause a denial of …
    CVE-2018-19052 (CVSS 7.5) — An issue was discovered in mod_alias_physical_handler in mod_alias.c in lighttpd before 1.4.50. There is poten…
    CVE-2015-3200 (CVSS 7.5) — mod_auth in lighttpd before 1.4.36 allows remote attackers to inject arbitrary log entries via a basic HTTP au…

    References

    http://secunia.com/advisories/24886
    http://secunia.com/advisories/24947
    http://secunia.com/advisories/24995
    http://secunia.com/advisories/25166
    http://secunia.com/advisories/25613
    http://security.gentoo.org/glsa/glsa-200705-07.xml
    http://www.debian.org/security/2007/dsa-1303
    http://www.lighttpd.net/assets/2007/4/13/lighttpd_sa2007_01.txt
    http://www.novell.com/linux/security/advisories/2007_007_suse.html
    http://www.securityfocus.com/archive/1/466464/30/6900/threaded
    http://www.securityfocus.com/bid/23515
    http://www.vupen.com/english/advisories/2007/1399
    https://exchange.xforce.ibmcloud.com/vulnerabilities/33671
    https://issues.rpath.com/browse/RPL-1218
    http://secunia.com/advisories/24886
    http://secunia.com/advisories/24947
    http://secunia.com/advisories/24995
    http://secunia.com/advisories/25166
    http://secunia.com/advisories/25613
    http://security.gentoo.org/glsa/glsa-200705-07.xml
    http://www.debian.org/security/2007/dsa-1303
    http://www.lighttpd.net/assets/2007/4/13/lighttpd_sa2007_01.txt
    http://www.novell.com/linux/security/advisories/2007_007_suse.html
    http://www.securityfocus.com/archive/1/466464/30/6900/threaded
    http://www.securityfocus.com/bid/23515
    http://www.vupen.com/english/advisories/2007/1399
    https://exchange.xforce.ibmcloud.com/vulnerabilities/33671
    https://issues.rpath.com/browse/RPL-1218

    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