Improperly Controlled Sequential Memory Allocation Affecting wireshark package, versions [4.6.0,4.6.2)
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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Test your applications- Snyk IDSNYK-UNMANAGED-WIRESHARK-14192441
- published5 Dec 2025
- disclosed3 Dec 2025
- creditSébastien Féry
Introduced: 3 Dec 2025
NewCVE-2025-13945 (opens in a new tab)How to fix?
Upgrade wireshark to version 4.6.2 or higher.
Overview
Affected versions of this package are vulnerable to Improperly Controlled Sequential Memory Allocation in the HTTP3 dissector process while decrypting traffic using a keylog file. An attacker can cause the application to crash by tricking a user into opening a specially crafted pcap file.
Workaround
This vulnerability can be mitigated by disabling the HTTP3 protocol dissector via the Enabled Protocols dialog box in the Wireshark GUI application or by configuring the disabled_protos option.