Security update: Network analysis tool Wireshark is vulnerable

In the current Wireshark version, the developers have closed a security gap and fixed several bugs.

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Attackers can exploit a vulnerability in the network analysis tool Wireshark to attack systems. The developers have prepared the current version against this.

In a post on the current version 4.4.7, the developers explain that they have closed a security vulnerability (CVE-2025-5601 "high"). According to the description of the vulnerability, attackers can trigger a DoS state with certain requests and cause the application to crash. It is currently unclear how attacks could take place in detail.

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So far, there are no reports of ongoing attacks. Anyone using the network analysis tool should update it promptly. The developers have fixed a few bugs in this version. For example, packet diagrams are now displayed without errors.

(des)

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This article was originally published in German. It was translated with technical assistance and editorially reviewed before publication.