8.8

CVE-2016-9842: apple iphone_os Incorrect Bitwise Shift of Integer

Modified
AliasesALPINE-CVE-2016-9842UBUNTU-CVE-2016-9842DEBIAN-CVE-2016-9842
Published 23-05-2017Last modified 14-07-2026

Vulnerability summary

CVE-2016-9842 is a high (CVSS 8.8) Incorrect Bitwise Shift of Integer vulnerability in apple iphone_os. EPSS estimates a 5.20% chance of exploitation in the next 30 days, higher than 92.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
5.20%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 24 · Related 20
DLA-1725-1DLA-2085-1MGASA-2020-0108RHSA-2017:1220RHSA-2017:1221RHSA-2017:1222

Timeline

  1. 23-05-2017
    PublishedVulnerability first disclosed.
  2. 14-07-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

7 scores · 6 sources · 2 versions

EPSS trend

Probability

5.20%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

No change 0.00 pp

From 5.20% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard22 products
  • mysql-8.0< 8.0.38-r0
  • mysql-8.0-client< 8.0.38-r0
  • mysql-8.0-dev< 8.0.38-r0
  • mysql-8.0-iamguarded-compat< 8.0.38-r0
  • mysql-8.0-oci-entrypoint< 8.0.38-r0
Redhat5 products
Apple4 products
Oracle4 products
  • database_server18c
  • jdk1.6.0:update161 | 1.7.0:update151 | 1.8.0:update144
  • jre1.6.0:update161 | 1.7.0:update151 | 1.8.0:update144
  • mysql≥ 5.5.0, ≤ 5.5.61 | ≥ 5.6.0, ≤ 5.6.41 | ≥ 5.7.0, ≤ 5.7.23 | ≥ 8.0.0, ≤ 8.0.12
Debian3 products
Ubuntu3 products
  • rsync< 3.1.1-3ubuntu1.3 | < 3.1.2-2.1ubuntu1.1 | < 3.1.3-6
  • zlibAll versions (No fix recorded) | < 1:1.2.8.dfsg-2ubuntu4.3
  • zsyncAll versions (No fix recorded)
Alpine2 products
  • perl< 5.24.3-r1
  • zlib≥ 1.2.3.4, < 1.2.11-r0
Opensuse2 products
Canonical1 product
Nodejs1 product
  • node.js≥ 4.0.0, ≤ 4.1.2 | ≥ 4.2.0, < 4.8.2 | ≥ 6.0.0, ≤ 6.8.1 | ≥ 6.9.0, < 6.10.2 | ≥ 7.0.0, < 7.6.0
Zlib1 product
  • zlib≥ 1.2.3.4, < 1.2.9

11 vendors · 48 products

References

39 links
Show all 39 references