CVE-2016-4658

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

8.56% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 94.7% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/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

2016-09-25 10:00Z9 YR AGO

Last updated

2024-08-06 00:39Z2 YR AGO

Reserved

2016-05-11

Assigning CNA

apple

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-416Use After FreeVariant

Data version

5.1

Document digest

301bd9088c53a655d923ca9004c55bb18d41aa5afdf09da4bb483b590b80ca73

• support.apple.comhttps://support.apple.com/HT207141x_refsource_CONFIRM
• www.securitytracker.com1036858http://www.securitytracker.com/id/1036858vdb-entryx_refsource_SECTRACK
• lists.apple.comAPPLE-SA-2016-09-20http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.htmlvendor-advisoryx_refsource_APPLE
• lists.apple.comAPPLE-SA-2016-09-20-3http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.htmlvendor-advisoryx_refsource_APPLE
• lists.apple.comAPPLE-SA-2016-09-20-5http://lists.apple.com/archives/security-announce/2016/Sep/msg00010.htmlvendor-advisoryx_refsource_APPLE
• lists.apple.comAPPLE-SA-2016-09-20-6http://lists.apple.com/archives/security-announce/2016/Sep/msg00011.htmlvendor-advisoryx_refsource_APPLE
• www.securityfocus.com93054http://www.securityfocus.com/bid/93054vdb-entryx_refsource_BID
• support.apple.comhttps://support.apple.com/HT207170x_refsource_CONFIRM
• security.gentoo.orgGLSA-201701-37https://security.gentoo.org/glsa/201701-37vendor-advisoryx_refsource_GENTOO
• support.apple.comhttps://support.apple.com/HT207142x_refsource_CONFIRM
• support.apple.comhttps://support.apple.com/HT207143x_refsource_CONFIRM
• www.securitytracker.com1038623http://www.securitytracker.com/id/1038623vdb-entryx_refsource_SECTRACK
• git.gnome.orghttps://git.gnome.org/browse/libxml2/commit/?id=c1d1f7121194036608bf555f08d3062a36fd344bx_refsource_CONFIRM