Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-0666
• https://gitlab.com/wireshark/wireshark/-/issues/19085
• https://takeonme.org/cves/CVE-2023-0666.html
• https://www.wireshark.org/docs/relnotes/wireshark-4.0.6.html
• https://www.wireshark.org/security/wnpa-sec-2023-18.html
• https://www.debian.org/security/2023/dsa-5429
• https://security.gentoo.org/glsa/202309-02