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CVE-2016-9840 zlib

Affected softwarezlib
Severity8.8 High CVSS 3.1 2 scores
Published23 May 2017
Updated8 Oct 2026

Description

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

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 9 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 4.9% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

CVSS

8.8 HIGH v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 8.8 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H NVD Primary published
CVSS 2.0 6.8 none AV:N/AC:M/Au:N/C:P/I:P/A:P NVD Primary

Affected software and releases

Products and versions

20 products, 37 version entries
SourceVendorProductSchemeAffected versions
nvd apple iphone os generic < 11
nvd apple mac os x generic ≥ 10.0.0 and < 10.13.0
nvd apple tvos generic < 11.0
nvd apple watchos generic < 4
nvd boost boost generic < 1.78.0
nvd canonical ubuntu linux generic 16.04 · 18.04
nvd debian debian linux generic 8.0
nvd nodejs node.js generic ≥ 4.0.0 and ≤ 4.1.2 · ≥ 4.2.0 and < 4.8.2 · ≥ 6.0.0 and ≤ 6.8.1 · ≥ 6.9.0 and < 6.10.2 · ≥ 7.0.0 and < 7.6.0
nvd opensuse leap generic 42.1 · 42.2
nvd opensuse opensuse generic 13.2
nvd oracle database server generic 18c
nvd oracle jdk javase 1.6.0:update161 · 1.7.0:update151 · 1.8.0:update144
nvd oracle jre javase 1.6.0:update161 · 1.7.0:update151 · 1.8.0:update144
nvd oracle mysql generic ≥ 5.5.0 and ≤ 5.5.61 · ≥ 5.6.0 and ≤ 5.6.41 · ≥ 5.7.0 and ≤ 5.7.23 · ≥ 8.0.0 and ≤ 8.0.12
nvd redhat enterprise linux desktop generic 6.0 · 7.0
nvd redhat enterprise linux eus generic 7.4 · 7.5
nvd redhat enterprise linux server generic 6.0 · 7.0
nvd redhat enterprise linux workstation generic 6.0 · 7.0
nvd redhat satellite generic 5.8
nvd zlib zlib generic ≥ 1.2.0.6 and < 1.2.9

References

URLTags
https://access.redhat.com/errata/RHSA-2017:1220 ADVISORY, RHSA-2017:1220
https://access.redhat.com/security/cve/CVE-2016-9840 REPORT, RHSA-2017:1220
https://access.redhat.com/errata/RHSA-2017:2999 ADVISORY, RHSA-2017:2999
https://access.redhat.com/errata/RHSA-2017:3453 ADVISORY, RHSA-2017:3453
http://lists.opensuse.org/opensuse-updates/2016-12/msg00127.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2017-01/msg00050.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2017-01/msg00053.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/05/21 Mailing List, Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html Third Party Advisory

Timeline

Published2017-05-23By the CVE Program.
NVD record modified2026-10-08NVD's own last-modified date for this record.