What’s Vulnerable › Vulnerabilities

CVE-2019-5721

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-01-08 · updated 2026-06-17
• Weakness: CWE-416

Description

In Wireshark 2.4.0 to 2.4.11, the ENIP dissector could crash. This was addressed in epan/dissectors/packet-enip.c by changing the memory-management approach so that a use-after-free is avoided.

Affected products

• Wireshark Foundation Wireshark: from 2.4.0 through 2.4.11

References

• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14470
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=1c66174ec7aa19e2ddc79178cf59f15a654fc4fe
• https://www.wireshark.org/security/wnpa-sec-2019-05.html
• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14470
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=1c66174ec7aa19e2ddc79178cf59f15a654fc4fe
• https://www.wireshark.org/security/wnpa-sec-2019-05.html

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