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HIGH

CVE-2018-9271

CVSS v3

7.5

HIGH

EPSS Score

2.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-multipart.c has a memory leak.

Technical details

Published
2018-04-04

Frequently asked questions

What is CVE-2018-9271?

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-multipart.c has a memory leak.

Is CVE-2018-9271 actively exploited?

Active exploitation of CVE-2018-9271 has not been confirmed. Its EPSS score was 2.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-9271?

CVE-2018-9271 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2018-9271 affecting your environment?

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