How severe is CVE-2011-3484?

CVE-2011-3484 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-3484 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3484?

CVE-2011-3484 primarily affects Wireshark. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3484?

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

When was CVE-2011-3484 published?

CVE-2011-3484 was published on 2011-09-20 and last updated on 2026-06-16.

CVE-2011-3484

CVE-2011-3484 is a medium-severity vulnerability in Wireshark with a CVSS 2.0 base score of 4.3. 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 2.0 base score 4.3)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Wireshark
Published: 2011-09-20
Last modified: 2026-06-16

Description

The unxorFrame function in epan/dissectors/packet-opensafety.c in the OpenSafety dissector in Wireshark 1.6.x before 1.6.2 does not properly validate a certain frame size, which allows remote attackers to cause a denial of service (loop and application crash) via a malformed packet.

Frequently asked questions

What is CVE-2011-3484?: The unxorFrame function in epan/dissectors/packet-opensafety.c in the OpenSafety dissector in Wireshark 1.6.x before 1.6.2 does not properly validate a certain frame size, which allows remote attackers to cause a denial of service (loop and application crash) via a malformed packet.
How severe is CVE-2011-3484?: CVE-2011-3484 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-3484 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3484?: CVE-2011-3484 primarily affects Wireshark. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3484?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3484 published?: CVE-2011-3484 was published on 2011-09-20 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:wireshark:wireshark:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.6.1:*:*:*:*:*:*:*

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