What is CVE-2016-4657?

CVE-2016-4657 is a vulnerability in N/a. Published 2016-08-25.

Is CVE-2016-4657 known to be exploited?

Yes. CVE-2016-4657 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-24), indicating it is being actively exploited. 19 public proof-of-concept repositories are indexed.

Vulnerability in N/a

CVE-2016-4657

WebKit in Apple iOS before 9.3.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

EPSS: 0.794 (99.1th percentile) — read the EPSS interpretation.

Affected products

N/a — versions n/a

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-05-24. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-06-14.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

blog.lookout.com/blog/2016/08/25/trident-pegasus/ (x_refsource_MISC)
www.youtube.com/watch (x_refsource_MISC)
44836 (exploit, x_refsource_EXPLOIT-DB)
92653 (vdb-entry, x_refsource_BID)
support.apple.com/HT207107 (x_refsource_CONFIRM)
APPLE-SA-2016-08-25-1 (vendor-advisory, x_refsource_APPLE)
1036694 (vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2016-4657?: CVE-2016-4657 is a vulnerability in N/a. Published 2016-08-25.
Is CVE-2016-4657 known to be exploited?: Yes. CVE-2016-4657 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-24), indicating it is being actively exploited. 19 public proof-of-concept repositories are indexed.