How severe is CVE-2015-8740?

CVE-2015-8740 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2015-8740 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8740?

CVE-2015-8740 affects Wireshark. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-8740?

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

When was CVE-2015-8740 published?

CVE-2015-8740 was published on 2016-01-04 and last updated on 2026-06-17.

CVE-2015-8740

CVE-2015-8740 is a medium-severity vulnerability in Wireshark with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.3
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Wireshark
Published: 2016-01-04
Last modified: 2026-06-17

Description

The dissect_tds7_colmetadata_token function in epan/dissectors/packet-tds.c in the TDS dissector in Wireshark 2.0.x before 2.0.1 does not validate the number of columns, which allows remote attackers to cause a denial of service (stack-based buffer overflow and application crash) via a crafted packet.

Frequently asked questions

What is CVE-2015-8740?: The dissect_tds7_colmetadata_token function in epan/dissectors/packet-tds.c in the TDS dissector in Wireshark 2.0.x before 2.0.1 does not validate the number of columns, which allows remote attackers to cause a denial of service (stack-based buffer overflow and application crash) via a crafted packet.
How severe is CVE-2015-8740?: CVE-2015-8740 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2015-8740 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8740?: CVE-2015-8740 affects Wireshark. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-8740?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-8740 published?: CVE-2015-8740 was published on 2016-01-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wireshark:wireshark:2.0.0:*:*:*:*:*:*:*

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