What’s Vulnerable › Vulnerabilities

CVE-2023-6174: Out-of-bounds Read in Wireshark

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-16 · updated 2026-06-17
• Weakness: CWE-125

Description

SSH dissector crash in Wireshark 4.0.0 to 4.0.10 allows denial of service via packet injection or crafted capture file

Affected products

• Debian Linux: 12.0
• Wireshark Foundation Wireshark: from 4.0.0 through 4.0.10

References

• https://gitlab.com/wireshark/wireshark/-/issues/19369
• https://www.wireshark.org/security/wnpa-sec-2023-28.html
• https://gitlab.com/wireshark/wireshark/-/issues/19369
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/34DBP5P2RHQ7XUABPANYYMOGV5KS6VEP/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MADSCHKZSCKQ5NLIX3UMOIJD2JZ65L4V/
• https://security.gentoo.org/glsa/202402-09
• https://www.debian.org/security/2023/dsa-5559
• https://www.wireshark.org/security/wnpa-sec-2023-28.html

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