How severe is CVE-2012-2393?

CVE-2012-2393 has a CVSS 2.0 base score of 3.3, rated low severity.

Is CVE-2012-2393 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2393?

CVE-2012-2393 primarily affects Wireshark. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-2393?

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

When was CVE-2012-2393 published?

CVE-2012-2393 was published on 2012-06-30 and last updated on 2026-06-16.

CVE-2012-2393

CVE-2012-2393 is a low-severity vulnerability in Wireshark with a CVSS 2.0 base score of 3.3. 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

Severity: Low (CVSS 2.0 base score 3.3)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Wireshark
Published: 2012-06-30
Last modified: 2026-06-16

Description

epan/dissectors/packet-diameter.c in the DIAMETER dissector in Wireshark 1.4.x before 1.4.13 and 1.6.x before 1.6.8 does not properly construct certain array data structures, which allows remote attackers to cause a denial of service (application crash) via a crafted packet that triggers incorrect memory allocation.

Frequently asked questions

What is CVE-2012-2393?: epan/dissectors/packet-diameter.c in the DIAMETER dissector in Wireshark 1.4.x before 1.4.13 and 1.6.x before 1.6.8 does not properly construct certain array data structures, which allows remote attackers to cause a denial of service (application crash) via a crafted packet that triggers incorrect memory allocation.
How severe is CVE-2012-2393?: CVE-2012-2393 has a CVSS 2.0 base score of 3.3, rated low severity.
Is CVE-2012-2393 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-2393?: CVE-2012-2393 primarily affects Wireshark. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-2393?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-2393 published?: CVE-2012-2393 was published on 2012-06-30 and last updated on 2026-06-16.

References

Affected products (22)

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:1.4.12:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.13:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.6.6:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.6.7:*:*:*:*:*:*:*

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