What’s Vulnerable › Vulnerabilities

CVE-2017-9766

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-06-21 · updated 2026-06-17
• Weakness: CWE-674

Description

In Wireshark 2.2.7, PROFINET IO data with a high recursion depth allows remote attackers to cause a denial of service (stack exhaustion) in the dissect_IODWriteReq function in plugins/profinet/packet-dcerpc-pn-io.c.

Affected products

• Debian Linux: 8.0
• Wireshark Foundation Wireshark: 2.2.7

References

• http://www.securityfocus.com/bid/99187
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13811
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=d6e888400ba64de3147d1111a4c23edf389b0000
• https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
• http://www.securityfocus.com/bid/99187
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13811
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=d6e888400ba64de3147d1111a4c23edf389b0000
• https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html

Get alerted when CVE-2017-9766 or the next vulnerability affects your stack