Vulnerability in Apple Iphone_os

CVE-2016-9842

The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers.

EPSS: 0.146 (94.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-9842?
CVE-2016-9842 is a high-severity vulnerability in Apple Iphone_os, classified under CWE-1335. CVSS score: 8.8/10. Published 2017-05-23.
How severe is CVE-2016-9842?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2016-9842 known to be exploited?
8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.