CVE-2011-4102

CVE-2011-4102 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-119.

Key facts

Description

Heap-based buffer overflow in the erf_read_header function in wiretap/erf.c in the ERF file parser in Wireshark 1.4.0 through 1.4.9 and 1.6.x before 1.6.3 allows remote attackers to cause a denial of service (application crash) via a malformed file.

Frequently asked questions

What is CVE-2011-4102?
Heap-based buffer overflow in the erf_read_header function in wiretap/erf.c in the ERF file parser in Wireshark 1.4.0 through 1.4.9 and 1.6.x before 1.6.3 allows remote attackers to cause a denial of service (application crash) via a malformed file.
How severe is CVE-2011-4102?
CVE-2011-4102 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-4102 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4102?
CVE-2011-4102 primarily affects Wireshark. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4102?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4102 published?
CVE-2011-4102 was published on 2011-11-03 and last updated on 2026-06-16.

References

Affected products (13)

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