Is CVE-2016-9841 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 7%.

What products does CVE-2016-9841 affect?

Tracked products affected include MySQL, Ubuntu. Check the version you run to see whether it is affected.

How do I fix CVE-2016-9841?

Apply the vendor fix promptly. Upgrade affected products to a fixed version.

CVE-2016-9841

Q: What is CVE-2016-9841?

CVE-2016-9841 is a critical-severity software vulnerability with a CVSS score of 9.8. inffast.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.

CRITICAL severity · CVSS 9.8

9.8CVSS CRITICAL

Summary

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

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)7%

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

Affected products we track (2)

MySQL Ubuntu

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

NVD record
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/cpujul2018-4258247.html
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