VulnerabilityModified
CVE-2018-16843
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.
HIGH 7.5EPSS 47.1%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 47.1%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 47.06% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- f5/nginx · debian/debian linux · canonical/ubuntu linux · opensuse/leap · apple/xcode
- Source
- secalert@redhat.com
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.htmlMailing List, Third Party Advisory
- http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.htmlMailing List, Vendor Advisory
- http://seclists.org/fulldisclosure/2021/Sep/36Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105868Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1042038Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3653Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3680Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3681Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16843Issue Tracking, Third Party Advisory
- https://support.apple.com/kb/HT212818Third Party Advisory
- https://usn.ubuntu.com/3812-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4335Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.htmlMailing List, Third Party Advisory
- http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.htmlMailing List, Vendor Advisory
- http://seclists.org/fulldisclosure/2021/Sep/36Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105868Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1042038Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3653Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3680Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3681Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16843Issue Tracking, Third Party Advisory
- https://support.apple.com/kb/HT212818Third Party Advisory
- https://usn.ubuntu.com/3812-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4335Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.