What’s Vulnerable › Vulnerabilities

CVE-2017-13764

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-08-30 · updated 2026-06-17
• Weakness: CWE-476

Description

In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference. This was addressed in epan/dissectors/packet-mbtcp.c by adding length validation.

Affected products

• Wireshark Foundation Wireshark: 2.4.0

References

• http://www.securityfocus.com/bid/100545
• http://www.securitytracker.com/id/1039254
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13925
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=b87ffbd12bddf64582c0a6e082b462744474de94
• https://www.wireshark.org/security/wnpa-sec-2017-40.html
• http://www.securityfocus.com/bid/100545
• http://www.securitytracker.com/id/1039254
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13925
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=b87ffbd12bddf64582c0a6e082b462744474de94
• https://www.wireshark.org/security/wnpa-sec-2017-40.html

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