CVE-2016-9840
CVSS v3
8.8
HIGH
EPSS Score
4.9 %
exploit probability, as of 2026-10-09
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
inftrees.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:R/S:U/C:H/I:H/A:H
- Published
- 2016-09-22
- Last Modified
- 2026-10-08
Frequently asked questions
What is CVE-2016-9840?
inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.
Is CVE-2016-9840 actively exploited?
Active exploitation of CVE-2016-9840 has not been confirmed. Its EPSS score was 4.9% on 2026-10-09, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2016-9840?
CVE-2016-9840 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Is CVE-2016-9840 affecting your environment?
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