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CVE-2018-16843

Date: November 7, 2018

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the 'http2' option of the 'listen' directive is used in a configuration file.

Language: C

Severity Score

Related Resources (17)

https://nvd.nist.gov/vuln/detail/CVE-2018-16843
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16843
https://www.debian.org/security/2018/dsa-4335
https://security.alpinelinux.org/vuln/CVE-2018-16843
http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-16843
https://access.redhat.com/errata/RHSA-2018:3681
https://access.redhat.com/errata/RHSA-2018:3680
https://support.apple.com/kb/HT212818
https://security-tracker.debian.org/tracker/CVE-2018-16843
http://www.securitytracker.com/id/1042038
http://www.securityfocus.com/bid/105868
https://usn.ubuntu.com/3812-1/
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html
https://access.redhat.com/errata/RHSA-2018:3653
http://seclists.org/fulldisclosure/2021/Sep/36
https://www.mend.io/vulnerability-database/CVE-2018-16843

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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