How severe is CVE-2016-4084?

CVE-2016-4084 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-4084 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4084?

CVE-2016-4084 primarily affects Wireshark. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-4084?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-4084 published?

CVE-2016-4084 was published on 2016-04-25 and last updated on 2026-06-17.

CVE-2016-4084

CVE-2016-4084 is a medium-severity vulnerability in Wireshark with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Wireshark
Published: 2016-04-25
Last modified: 2026-06-17

Description

Integer signedness error in epan/dissectors/packet-mswsp.c in the MS-WSP dissector in Wireshark 2.0.x before 2.0.3 allows remote attackers to cause a denial of service (integer overflow and application crash) via a crafted packet that triggers an unexpected array size.

Frequently asked questions

What is CVE-2016-4084?: Integer signedness error in epan/dissectors/packet-mswsp.c in the MS-WSP dissector in Wireshark 2.0.x before 2.0.3 allows remote attackers to cause a denial of service (integer overflow and application crash) via a crafted packet that triggers an unexpected array size.
How severe is CVE-2016-4084?: CVE-2016-4084 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-4084 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4084?: CVE-2016-4084 primarily affects Wireshark. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-4084?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4084 published?: CVE-2016-4084 was published on 2016-04-25 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:wireshark:wireshark:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:2.0.2:*:*:*:*:*:*:*

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