What’s Vulnerable › Vulnerabilities

CVE-2018-14438

• 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: 2018-07-20 · updated 2026-06-17
• Weakness: CWE-20

Description

In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.

Affected products

• Wireshark Foundation Wireshark: through 2.6.2

References

• http://www.securityfocus.com/bid/104876
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14921
• http://www.securityfocus.com/bid/104876
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14921

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