What’s Vulnerable › Vulnerabilities

CVE-2018-18226

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-10-12 · updated 2026-06-17
• Weakness: CWE-772

Description

In Wireshark 2.6.0 to 2.6.3, the Steam IHS Discovery dissector could consume system memory. This was addressed in epan/dissectors/packet-steam-ihs-discovery.c by changing the memory-management approach.

Affected products

• Debian Linux: 9.0
• Wireshark Foundation Wireshark: from 2.6.0 through 2.6.3

References

• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
• http://www.securityfocus.com/bid/105583
• http://www.securitytracker.com/id/1041909
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15171
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6e920ddc3cad2886ef07ca1a8e50e2a5c50986f7
• https://www.debian.org/security/2018/dsa-4359
• https://www.wireshark.org/security/wnpa-sec-2018-48.html
• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
• http://www.securityfocus.com/bid/105583
• http://www.securitytracker.com/id/1041909
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15171
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6e920ddc3cad2886ef07ca1a8e50e2a5c50986f7

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