NULL Pointer Dereference Affecting wireshark package, versions [,4.6.4)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published2 Mar 2026
- disclosed25 Feb 2026
- creditUnknown
Introduced: 25 Feb 2026
CVE-2026-3202 (opens in a new tab)How to fix?
Upgrade wireshark to version 4.6.4 or higher.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference via the ALPN mismatch check in packet-nts-ke.c. An attacker can crash Wireshark by delivering a malformed packet or trace that omits ALPN, forcing strcmp() to dereference a NULL pointer.