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CRITICAL

CVE-2016-9841

CVSS v3

9.8

CRITICAL

EPSS Score

7.5 %

exploit probability, as of 2026-10-08

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2016-09-22
Last Modified
2026-10-08

Frequently asked questions

What is CVE-2016-9841?

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

Is CVE-2016-9841 actively exploited?

Active exploitation of CVE-2016-9841 has not been confirmed. Its EPSS score was 7.5% on 2026-10-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-9841?

CVE-2016-9841 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is CVE-2016-9841 affecting your environment?

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