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    CVE-2009-3896

    src/http/ngx_http_parse.c in nginx (aka Engine X) 0.1.0 through 0.4.14, 0.5.x before 0.5.38, 0.6.x before 0.6.39, 0.7.x before 0.7.62, and 0.8.x before 0.8.14 allows remote attackers to cause a denial of service (NULL pointer dereference and worker process crash) via a long URI.

    Published:Nov 24, 2009
    Last Modified:Apr 23, 2026
    EPS:Nov 24, 2009
    EPSS Score:0.02511
    CVSS Score:5

    Affected Products

    Vendor
    F5
    Product
    Nginx
    Vendor
    Nginx
    Product
    Nginx

    Exploits

    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=552035http://www.securityfocus.com/bid/36839http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=552035http://www.securityfocus.com/bid/36839

    Related CVEs

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    CVE-2024-35200 (CVSS 5.3) — When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed HTTP/3 requests can cau…
    CVE-2024-34161 (CVSS 5.3) — When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module and the network infrastructure suppo…
    CVE-2024-32760 (CVSS 6.5) — When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed HTTP/3 encoder instruct…
    CVE-2023-44487 (CVSS 7.5) — The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can …
    CVE-2022-41741 (CVSS 7) — NGINX Open Source before versions 1.23.2 and 1.22.1, NGINX Open Source Subscription before versions R2 P1 and …
    CVE-2022-41742 (CVSS 7.1) — NGINX Open Source before versions 1.23.2 and 1.22.1, NGINX Open Source Subscription before versions R2 P1 and …
    CVE-2021-3618 (CVSS 7.4) — ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing differen…
    CVE-2021-23017 (CVSS 7.7) — A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP pack…
    CVE-2019-20372 (CVSS 5.3) — NGINX before 1.17.7, with certain error_page configurations, allows HTTP request smuggling, as demonstrated by…

    References

    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=552035
    http://marc.info/?l=nginx&m=125692080328141&w=2
    http://secunia.com/advisories/48577
    http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3.diff.gz
    http://security.gentoo.org/glsa/glsa-201203-22.xml
    http://sysoev.ru/nginx/patch.null.pointer.txt
    http://www.debian.org/security/2009/dsa-1920
    http://www.openwall.com/lists/oss-security/2009/11/20/1
    http://www.openwall.com/lists/oss-security/2009/11/20/6
    http://www.openwall.com/lists/oss-security/2009/11/23/10
    http://www.securityfocus.com/bid/36839
    https://bugzilla.redhat.com/show_bug.cgi?id=539565
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00428.html
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00442.html
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00449.html
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=552035
    http://marc.info/?l=nginx&m=125692080328141&w=2
    http://secunia.com/advisories/48577
    http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3.diff.gz
    http://security.gentoo.org/glsa/glsa-201203-22.xml
    http://sysoev.ru/nginx/patch.null.pointer.txt
    http://www.debian.org/security/2009/dsa-1920
    http://www.openwall.com/lists/oss-security/2009/11/20/1
    http://www.openwall.com/lists/oss-security/2009/11/20/6
    http://www.openwall.com/lists/oss-security/2009/11/23/10
    http://www.securityfocus.com/bid/36839
    https://bugzilla.redhat.com/show_bug.cgi?id=539565
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00428.html
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00442.html
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00449.html

    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