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    CVE-2016-7835

    Use-after-free vulnerability in H2O allows remote attackers to cause a denial-of-service (DoS) or obtain server certificate private keys and possibly other information.

    Published:Jun 9, 2017
    Last Modified:Apr 20, 2025
    EPS:Jun 9, 2017
    EPSS Score:0.03157
    CVSS Score:9.1

    Affected Products

    Vendor
    Dena
    Product
    H2o
    Vendor
    H2o Project
    Product
    H2o

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2024-45403 (CVSS 3.7) — h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. When h2o is configured as a reverse proxy …
    CVE-2024-45397 (CVSS 5.9) — h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. When an HTTP request using TLS/1.3 early d…
    CVE-2024-25622 (CVSS 3.1) — h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. The configuration directives provided by t…
    CVE-2023-50247 (CVSS 3.7) — h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. The QUIC stack (quicly), as used by H2O up…
    CVE-2023-41337 (CVSS 6.1) — h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. In version 2.3.0-beta2 and prior, when h2o…
    CVE-2023-44487 (CVSS 7.5) — The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can …
    CVE-2023-30847 (CVSS 8.2) — H2O is an HTTP server. In versions 2.3.0-beta2 and prior, when the reverse proxy handler tries to processes a …
    CVE-2021-43848 (CVSS 7.4) — h2o is an open source http server. In code prior to the `8c0eca3` commit h2o may attempt to access uninitializ…
    CVE-2018-0608 (CVSS 9.8) — Buffer overflow in H2O version 2.2.4 and earlier allows remote attackers to execute arbitrary code or cause a …
    CVE-2017-10872 (CVSS 6.5) — H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via unspecifi…

    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