CVE-2012-3826

Wireshark vulnerability

CVSS

3.3

EPSS

3.4%

EPSS pct

88th

Exploited

No known

Multiple integer underflows in Wireshark 1.4.x before 1.4.13 and 1.6.x before 1.6.8 allow remote attackers to cause a denial of service (loop) via vectors related to the R3 dissector, a different vulnerability than CVE-2012-2392.

Affected vendor

Wireshark

Affected product

Wireshark

CVSS vector

AV:A/AC:L/Au:N/C:N/I:N/A:P

Weakness type (CWE)

CWE-189

Published

2012-06-30

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable from an adjacent network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2012-3826

Confirm whether Wireshark Wireshark is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2012-3826.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2012-3826

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