CVE-2016-4957

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

44.94% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.7% 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:3.1/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

2016-07-05 01:00Z10 YR AGO

Last updated

2024-08-06 00:46Z2 YR AGO

Reserved

2016-05-23

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

424eee6f6eea16b149a7764b1116c3bfe0ca91820f0a218d4d1cdc53e126953e

• lists.opensuse.orgSUSE-SU-2016:1602http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2016:1583http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.htmlvendor-advisoryx_refsource_SUSE
• security.freebsd.orgFreeBSD-SA-16:24https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.ascvendor-advisoryx_refsource_FREEBSD
• bugs.ntp.orghttp://bugs.ntp.org/3046x_refsource_CONFIRM
• www.securitytracker.com1036037http://www.securitytracker.com/id/1036037vdb-entryx_refsource_SECTRACK
• lists.opensuse.orgSUSE-SU-2016:1584http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.htmlvendor-advisoryx_refsource_SUSE
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlx_refsource_CONFIRM
• www.kb.cert.orgVU#321640http://www.kb.cert.org/vuls/id/321640third-party-advisoryx_refsource_CERT-VN
• support.ntp.orghttp://support.ntp.org/bin/view/Main/SecurityNoticex_refsource_CONFIRM
• lists.opensuse.orgopenSUSE-SU-2016:1636http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.htmlvendor-advisoryx_refsource_SUSE
• support.ntp.orghttp://support.ntp.org/bin/view/Main/NtpBug3046x_refsource_CONFIRM
• lists.opensuse.orgSUSE-SU-2016:1563http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.htmlvendor-advisoryx_refsource_SUSE
• security.gentoo.orgGLSA-201607-15https://security.gentoo.org/glsa/201607-15vendor-advisoryx_refsource_GENTOO