Use of Uninitialized Variable Affecting wireshark package, versions [4.4.0,4.4.18)[4.6.0,4.6.8)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.27% (19th percentile)

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  • Snyk IDSNYK-UNMANAGED-WIRESHARK-19427458
  • published29 Aug 2026
  • disclosed20 Aug 2026
  • creditUnknown

Introduced: 20 Aug 2026

CVE-2026-76919  (opens in a new tab)
CWE-457  (opens in a new tab)

How to fix?

Upgrade wireshark to version 4.4.18, 4.6.8 or higher.

Overview

Affected versions of this package are vulnerable to Use of Uninitialized Variable in the ESS protocol dissector. An attacker can cause a crash by sending specially crafted packets to the application.

CVSS Base Scores

version 4.0
version 3.1