CVE-2012-4286

CVE-2012-4286 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-189.

Key facts

Description

The pcapng_read_packet_block function in wiretap/pcapng.c in the pcap-ng file parser in Wireshark 1.8.x before 1.8.2 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted pcap-ng file.

Frequently asked questions

What is CVE-2012-4286?
The pcapng_read_packet_block function in wiretap/pcapng.c in the pcap-ng file parser in Wireshark 1.8.x before 1.8.2 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted pcap-ng file.
How severe is CVE-2012-4286?
CVE-2012-4286 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-4286 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4286?
CVE-2012-4286 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-2012-4286?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4286 published?
CVE-2012-4286 was published on 2012-08-16 and last updated on 2026-06-16.

References

Affected products (3)

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