Buffer Over-read Affecting wireshark package, versions [4.4.0,4.4.14)[4.5.0-rc0,4.6.4)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.16% (6th percentile)

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  • Snyk IDSNYK-UNMANAGED-WIRESHARK-15367342
  • published2 Mar 2026
  • disclosed25 Feb 2026
  • creditUnknown

Introduced: 25 Feb 2026

CVE-2026-3203  (opens in a new tab)
CWE-126  (opens in a new tab)

How to fix?

Upgrade wireshark to version 4.4.14, 4.6.4 or higher.

Overview

Affected versions of this package are vulnerable to Buffer Over-read in the RF4CE Profile dissector when a malformed pcap file is processed. An attacker can cause the application to crash by tricking a user into opening a specially crafted capture file.

CVSS Base Scores

version 4.0
version 3.1