CVE & CISA-KEV Catalog

CVE-2016-9842

HIGHEPSS 91th pctl

8.8

CVSS v3

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.

How to fix

Remediation Available

rsyncDebian

Fixed in:3.1.3-6CVE-2016-9842

Fixed in:3.1.3-6CVE-2016-9842

Fixed in:3.1.3-6CVE-2016-9842

Fixed in:3.1.3-6CVE-2016-9842

lib32z1Ubuntu

Fixed in:1:1.2.8.dfsg-2ubuntu4.3USN-4246-1

lib64z1Ubuntu

Fixed in:1:1.2.8.dfsg-2ubuntu4.3USN-4246-1

libx32z1Ubuntu

Fixed in:1:1.2.8.dfsg-2ubuntu4.3USN-4246-1

rsyncUbuntu

Fixed in:3.1.1-3ubuntu1.3USN-4292-1

Fixed in:3.1.2-2.1ubuntu1.1USN-4292-1

zlibUbuntu

Fixed in:1:1.2.8.dfsg-2ubuntu4.3USN-4246-1

zlib1gUbuntu

Fixed in:1:1.2.8.dfsg-2ubuntu4.3USN-4246-1

Node.jsWindows application

Affected:7.0.0 7.6.0Fixed in:7.6.0Node.js Foundation

Affected:6.9.0 6.10.2Fixed in:6.10.2Node.js Foundation

Affected:4.2.0 4.8.2Fixed in:4.8.2Node.js Foundation

Node.js (LTS)Windows application

Affected:4.2.0 4.8.2Fixed in:4.8.2Node.js Foundation

Affected:6.9.0 6.10.2Fixed in:6.10.2Node.js Foundation

Affected:7.0.0 7.6.0Fixed in:7.6.0Node.js Foundation

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

5.16%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.