CVE-2018-16843

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

47.98% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 98.8% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-11-07 14:00Z7 YR AGO

Last updated

2024-08-05 10:32Z2 YR AGO

Reserved

2018-09-11

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses

• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

476ddfd54fe561faacac98e48713897aa644f42da42de4d8579388838465e6a1

• www.debian.orgDSA-4335https://www.debian.org/security/2018/dsa-4335vendor-advisoryx_refsource_DEBIAN
• access.redhat.comRHSA-2018:3680https://access.redhat.com/errata/RHSA-2018:3680vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2018:3681https://access.redhat.com/errata/RHSA-2018:3681vendor-advisoryx_refsource_REDHAT
• www.securityfocus.com105868http://www.securityfocus.com/bid/105868vdb-entryx_refsource_BID
• mailman.nginx.orghttp://mailman.nginx.org/pipermail/nginx-announce/2018/000220.htmlx_refsource_MISC
• www.securitytracker.com1042038http://www.securitytracker.com/id/1042038vdb-entryx_refsource_SECTRACK
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16843x_refsource_CONFIRM
• access.redhat.comRHSA-2018:3653https://access.redhat.com/errata/RHSA-2018:3653vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-3812-1https://usn.ubuntu.com/3812-1/vendor-advisoryx_refsource_UBUNTU
• lists.opensuse.orgopenSUSE-SU-2019:2120http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.htmlvendor-advisoryx_refsource_SUSE
• support.apple.comhttps://support.apple.com/kb/HT212818x_refsource_CONFIRM
• seclists.org20210921 APPLE-SA-2021-09-20-4 Xcode 13http://seclists.org/fulldisclosure/2021/Sep/36mailing-listx_refsource_FULLDISC