CVE-2016-9840: apple iphone_os
Vulnerability summary
CVE-2016-9840 is a high (CVSS 8.8) vulnerability in apple iphone_os. EPSS estimates a 4.88% chance of exploitation in the next 30 days, higher than 92% of scored vulnerabilities.
Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 27 · Related 22Timeline
- 23-05-2017PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
Description
inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.
CVSS metrics
7 scores · 6 sources · 3 versions- OSV · AlpineEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
4.88%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
Increase +0.08 pp
From 4.79% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Suse41 products
- boost-base&distro=SUSE Enterprise Storage 7.1< 1.66.0-150200.12.7.1
- boost-base&distro=SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS< 1.66.0-150200.12.7.1
- boost-base&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS< 1.66.0-150200.12.7.1
- boost-base&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS< 1.66.0-150200.12.7.1
- boost-base&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS< 1.66.0-150200.12.7.1
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
Redhat15 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_eus7.4 | 7.5
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_workstation6.0 | 7.0
- satellite5.8
Opensuse4 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
Ubuntu4 products
- klibc< 2.0.3-0ubuntu1.14.04.3+esm3 | < 2.0.4-8ubuntu1.16.04.4+esm2 | < 2.0.4-9ubuntu2.2+esm1 | < 2.0.7-1ubuntu5.2 | < 2.0.10-4ubuntu0.1 | < 2.0.13-4ubuntu0.1 | < 2.0.13-4ubuntu1
- 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)
Debian3 products
- rsync< 3.1.3-6
- zlib< 1:1.2.8.dfsg-3
- debian_linuxEOL8.0
Alpine2 products
- perl< 5.24.3-r1
- zlib≥ 1.2.0.6, < 1.2.11-r0
Boost1 product
- boost< 1.78.0
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04
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≥ 1.2.0.6, < 1.2.9
13 vendors · 103 products
References
61 links- access.redhat.com/errata/RHSA-2017:1221Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- access.redhat.com/errata/RHSA-2017:1220Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- access.redhat.com/errata/RHSA-2017:3047Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- www.openwall.com/lists/oss-security/2016/12/05/21Mailing ListX Refsource MLISTThird Party AdvisoryAdvisory
- access.redhat.com/errata/RHSA-2017:3046Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- lists.opensuse.org/opensuse-updates/2017-01/msg00050.htmlVendor AdvisoryX Refsource SUSEThird Party AdvisoryAdvisory
- access.redhat.com/errata/RHSA-2017:1222Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
Show all 61 references
- lists.opensuse.org/opensuse-updates/2017-01/msg00053.htmlVendor AdvisoryX Refsource SUSEThird Party AdvisoryAdvisory
- access.redhat.com/errata/RHSA-2017:3453Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- lists.opensuse.org/opensuse-updates/2016-12/msg00127.htmlVendor AdvisoryX Refsource SUSEThird Party AdvisoryAdvisory
- access.redhat.com/errata/RHSA-2017:2999Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- lists.debian.org/debian-lts-announce/2019/03/msg00027.htmlMailing ListX Refsource MLISTThird Party AdvisoryAdvisory
- lists.debian.org/debian-lts-announce/2020/01/msg00030.htmlMailing ListX Refsource MLISTThird Party AdvisoryAdvisory
- www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlX Refsource CONFIRMThird Party AdvisoryAdvisory
- www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlX Refsource CONFIRMThird Party AdvisoryAdvisory
- github.com/madler/zlib/commit/6a043145ca6e9c55184013841a67b2fef87e44c0X Refsource CONFIRMPatchThird Party AdvisoryFIX
- bugzilla.redhat.com/show_bug.cgi?id=1402345X Refsource CONFIRMIssue TrackingThird Party AdvisoryREPORT