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Alerts This Week
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Debian DSA-6249-1 Wireshark Critical Denial of Service Threats

debian
Calendar Grey May 6, 2026
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Explore critical security advisory DSA-6249-1 for Wireshark on Debian addressing denial of service and execution risks.
Multiple vulnerabilities have been discocvered in Wireshark, a network protocol analyzer which could result in denial of service or the execution of arbitrary code

Summary

For the oldstable distribution (bookworm), a subset of these problems
have been fixed in version 4.0.17-0+deb12u3.

For the stable distribution (trixie), these problems have been fixed in
version 4.4.15-0+deb13u1.

We recommend that you upgrade your wireshark packages.

For the detailed security status of wireshark please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/wireshark

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
critical
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Package: wireshark
CVE ID: CVE-2026-5299 CVE-2026-5401 CVE-2026-5403 CVE-2026-5404

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