CVE-2016-9842
HIGH
8.8
CVSS Score
Published: May 23, 2017 at 03:56 AM UTC
Updated: July 14, 2026 at 12:27 PM UTC
20 products affected across 9 vendorsmacOSDebian LinuxiPhone OS
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH8.8
Exploit prediction
EPSS 5%
SSVC
No known exploit
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 11
Affected range stops below 11, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.13.0
Affected range stops below 10.13.0, so it looks safe — our inference, not a vendor statement
v < 11.0
Affected range stops below 11.0, so it looks safe — our inference, not a vendor statement
v < 4
Affected range stops below 4, so it looks safe — our inference, not a vendor statement
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%4.0.0 ≤ v ≤ 4.1.24.2.0 ≤ v < 4.8.26.0.0 ≤ v ≤ 6.8.16.9.0 ≤ v < 6.10.27.0.0 ≤ v < 7.6.0
Affected range stops below 4.8.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.10.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.6.0, so it looks safe — our inference, not a vendor statement
Leap· openSUSEdrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (31)
Vendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-updates/2016-12/msg00127.htmlVendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-updates/2017-01/msg00050.htmlVendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-updates/2017-01/msg00053.htmlMailing Listx_refsource_MLISTPatch
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/12/05/21x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlx_refsource_CONFIRMThird Party Advisory
Source: [email protected]
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlVDB Entryx_refsource_BIDBroken LinkThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/95131VDB Entryx_refsource_SECTRACKBroken LinkThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1039427SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
8.8HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-1335
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card