How severe is CVE-2012-1595?

CVE-2012-1595 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-1595 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1595?

CVE-2012-1595 primarily affects Wireshark. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1595?

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

When was CVE-2012-1595 published?

CVE-2012-1595 was published on 2012-04-11 and last updated on 2026-06-16.

CVE-2012-1595

CVE-2012-1595 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Wireshark
Published: 2012-04-11
Last modified: 2026-06-16

Description

The pcap_process_pseudo_header function in wiretap/pcap-common.c in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (application crash) via a WTAP_ENCAP_ERF file containing an Extension or Multi-Channel header with an invalid pseudoheader size, related to the pcap and pcap-ng file parsers.

Frequently asked questions

What is CVE-2012-1595?: The pcap_process_pseudo_header function in wiretap/pcap-common.c in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (application crash) via a WTAP_ENCAP_ERF file containing an Extension or Multi-Channel header with an invalid pseudoheader size, related to the pcap and pcap-ng file parsers.
How severe is CVE-2012-1595?: CVE-2012-1595 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-1595 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1595?: CVE-2012-1595 primarily affects Wireshark. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-1595?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1595 published?: CVE-2012-1595 was published on 2012-04-11 and last updated on 2026-06-16.

References

Affected products (18)

cpe:2.3:a:wireshark:wireshark:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.4:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.5:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.6:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.7:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.8:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.9:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.10:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.11:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.6.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.6.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.6.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.6.4:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.6.5:*:*:*:*:*:*:*

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