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    CVE-2022-30780

    Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU consumption from stuck connections) because connection_read_header_more in connections.c has a typo that disrupts use of multiple read operations on large headers.

    Published:Jun 11, 2022
    Last Modified:Nov 21, 2024
    EPS:Jun 11, 2022
    EPSS Score:0.73157
    CVSS Score:7.5

    Affected Products

    Vendor
    Lighttpd
    Product
    Lighttpd

    Exploits

    https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-servicehttps://podalirius.net/en/cves/2022-30780/https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-servicehttps://podalirius.net/en/cves/2022-30780/https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-servicehttps://github.com/xiw1ll/CVE-2022-30780_Checker

    Common Weakness Enumeration

    CWE-682 Incorrect Calculation

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-128 Integer Attacks
    CAPEC-129 Pointer Manipulation

    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-2022-22707 (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…
    CVE-2014-2324 (CVSS 5) — Multiple directory traversal vulnerabilities in (1) mod_evhost and (2) mod_simple_vhost in lighttpd before 1.4…

    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