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    CVE-2016-9840

    inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.

    Published:Sep 22, 2016
    Last Modified:Apr 20, 2025
    EPS:May 23, 2017
    EPSS Score:0.0726
    CVSS Score:8.8

    Affected Products

    Vendor
    Apple
    Product
    Iphone Os
    Vendor
    Apple
    Product
    Mac Os X
    Vendor
    Apple
    Product
    Tvos
    Vendor
    Apple
    Product
    Watchos
    Vendor
    Boost
    Product
    Boost
    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Nodejs
    Product
    Node.js
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Oracle
    Product
    Database Server
    Vendor
    Oracle
    Product
    Jdk
    Vendor
    Oracle
    Product
    Jre
    Vendor
    Oracle
    Product
    Mysql
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Redhat
    Product
    Network Satellite
    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel Els
    Vendor
    Redhat
    Product
    Rhel Extras
    Vendor
    Redhat
    Product
    Rhel Extras Oracle Java
    Vendor
    Redhat
    Product
    Satellite
    Vendor
    Zlib
    Product
    Zlib

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2026-87545 (CVSS 6.5) — Information leak in Mobile in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker leverag…
    CVE-2026-87609 (CVSS 9.6) — Use after free in Sharing in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker to execu…
    CVE-2026-87518 (CVSS 5.3) — Observable discrepancy in Safebrowsing in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote atta…
    CVE-2026-87482 (CVSS 5.9) — Cleartext transmission of sensitive data in HttpsUpgrades in Google Chrome on on iOS prior to 153.0.8010.36 al…
    CVE-2026-87517 (CVSS 3.1) — Race condition in Mobile in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker leveragin…
    CVE-2026-85047 (CVSS 9.6) — Improper input validation in Transactions Platform in Google Chrome on on iOS prior to 152.0.7977.82 allowed a…
    CVE-2026-78964 (CVSS 9.6) — Use after free in Sync in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacker to potentia…
    CVE-2026-78957 (CVSS 5.5) — Information leak in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a local attacker to obtai…
    CVE-2026-78981 (CVSS 6.5) — Information leak in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a local attacker to poten…
    CVE-2026-79105 (CVSS 4.3) — Improper input validation in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacke…

    References

    http://lists.opensuse.org/opensuse-updates/2016-12/msg00127.html
    http://lists.opensuse.org/opensuse-updates/2017-01/msg00050.html
    http://lists.opensuse.org/opensuse-updates/2017-01/msg00053.html
    http://www.openwall.com/lists/oss-security/2016/12/05/21
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
    http://www.securityfocus.com/bid/95131
    http://www.securitytracker.com/id/1039427
    https://access.redhat.com/errata/RHSA-2017:1220
    https://access.redhat.com/errata/RHSA-2017:1221
    https://access.redhat.com/errata/RHSA-2017:1222
    https://access.redhat.com/errata/RHSA-2017:2999
    https://access.redhat.com/errata/RHSA-2017:3046
    https://access.redhat.com/errata/RHSA-2017:3047
    https://access.redhat.com/errata/RHSA-2017:3453
    https://bugzilla.redhat.com/show_bug.cgi?id=1402345
    https://github.com/madler/zlib/commit/6a043145ca6e9c55184013841a67b2fef87e44c0
    https://lists.debian.org/debian-lts-announce/2019/03/msg00027.html
    https://lists.debian.org/debian-lts-announce/2020/01/msg00030.html
    https://security.gentoo.org/glsa/201701-56
    https://security.gentoo.org/glsa/202007-54
    https://support.apple.com/HT208112
    https://support.apple.com/HT208113
    https://support.apple.com/HT208115
    https://support.apple.com/HT208144
    https://usn.ubuntu.com/4246-1/
    https://usn.ubuntu.com/4292-1/
    https://wiki.mozilla.org/MOSS/Secure_Open_Source/Completed#zlib
    https://wiki.mozilla.org/images/0/09/Zlib-report.pdf
    https://www.oracle.com/security-alerts/cpujul2020.html
    http://lists.opensuse.org/opensuse-updates/2016-12/msg00127.html
    http://lists.opensuse.org/opensuse-updates/2017-01/msg00050.html
    http://lists.opensuse.org/opensuse-updates/2017-01/msg00053.html
    http://www.openwall.com/lists/oss-security/2016/12/05/21
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
    http://www.securityfocus.com/bid/95131
    http://www.securitytracker.com/id/1039427
    https://access.redhat.com/errata/RHSA-2017:1220
    https://access.redhat.com/errata/RHSA-2017:1221
    https://access.redhat.com/errata/RHSA-2017:1222
    https://access.redhat.com/errata/RHSA-2017:2999
    https://access.redhat.com/errata/RHSA-2017:3046
    https://access.redhat.com/errata/RHSA-2017:3047
    https://access.redhat.com/errata/RHSA-2017:3453
    https://bugzilla.redhat.com/show_bug.cgi?id=1402345
    https://github.com/madler/zlib/commit/6a043145ca6e9c55184013841a67b2fef87e44c0
    https://lists.debian.org/debian-lts-announce/2019/03/msg00027.html
    https://lists.debian.org/debian-lts-announce/2020/01/msg00030.html
    https://security.gentoo.org/glsa/201701-56
    https://security.gentoo.org/glsa/202007-54
    https://support.apple.com/HT208112
    https://support.apple.com/HT208113
    https://support.apple.com/HT208115
    https://support.apple.com/HT208144
    https://usn.ubuntu.com/4246-1/
    https://usn.ubuntu.com/4292-1/
    https://wiki.mozilla.org/MOSS/Secure_Open_Source/Completed#zlib
    https://wiki.mozilla.org/images/0/09/Zlib-report.pdf
    https://www.oracle.com/security-alerts/cpujul2020.html
    https://cert-portal.siemens.com/productcert/html/ssa-470355.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High