What is CVE-2019-5721?

CVE-2019-5721 is a medium-severity vulnerability in Wireshark, classified under Use After Free. CVSS score: 5.5/10. Published 2019-01-08.

How severe is CVE-2019-5721?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Use After Free in Wireshark

CVE-2019-5721

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.

Vulnerability class: Use-After-Free

EPSS: 0.009 (57.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Wireshark
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

References

cve@mitre.org (x_refsource_MISC)
cve@mitre.org (Exploit, x_refsource_MISC, Issue Tracking, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (vendor-advisory, x_refsource_SUSE)

Frequently asked questions

What is CVE-2019-5721?: CVE-2019-5721 is a medium-severity vulnerability in Wireshark, classified under Use After Free. CVSS score: 5.5/10. Published 2019-01-08.
How severe is CVE-2019-5721?: Medium severity. CVSS v3 base score is 5.5 out of 10.