CVE-2016-9643

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

3.07% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 86.7% 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:3.0/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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2017-03-07 16:00Z9 YR AGO

Last updated

2024-08-06 02:59Z2 YR AGO

Reserved

2016-11-26

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

678c82d64bc3ba0916d65430b55e3792138e7543ed0438af106b118507dcfcac

• www.securitytracker.com1038137http://www.securitytracker.com/id/1038137vdb-entryx_refsource_SECTRACK
• www.openwall.com[oss-security] 20161126 Re: CVE Request: resource exhaustion in regex expression handling in WebKithttp://www.openwall.com/lists/oss-security/2016/11/26/5mailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-201706-15https://security.gentoo.org/glsa/201706-15vendor-advisoryx_refsource_GENTOO
• www.openwall.com[oss-security] 20161126 CVE Request: resource exhaustion in regex expression handling in WebKithttp://www.openwall.com/lists/oss-security/2016/11/26/2mailing-listx_refsource_MLIST
• www.securityfocus.com94559http://www.securityfocus.com/bid/94559vdb-entryx_refsource_BID