CVE-2026-7376: Wireshark null pointer dereference vulnerability

Wireshark · Wireshark

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

7.5 CVSS 3.1 High EPSS 0.28% · top 81.6% CWE-476 · NULL pointer dereference

7.5CVSS 3.1 base score

0.28%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

3References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Wireshark Wireshark

References

Link	Tags
https://gitlab.com/wireshark/wireshark/-/work_items/21206	ExploitVendor Advisory
https://www.wireshark.org/security/wnpa-sec-2026-48.html	Vendor Advisory
https://gitlab.com/wireshark/wireshark/-/work_items/21206	ExploitVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-7376), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.