How severe is CVE-2014-6430?

CVE-2014-6430 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-6430 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-6430?

CVE-2014-6430 primarily affects Wireshark. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-6430?

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

When was CVE-2014-6430 published?

CVE-2014-6430 was published on 2014-09-20 and last updated on 2026-06-17.

CVE-2014-6430

CVE-2014-6430 is a medium-severity vulnerability in Wireshark with a CVSS 2.0 base score of 5.0. 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 5.0)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Wireshark
Published: 2014-09-20
Last modified: 2026-06-17

Description

The SnifferDecompress function in wiretap/ngsniffer.c in the DOS Sniffer file parser in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 does not validate bitmask data, which allows remote attackers to cause a denial of service (application crash) via a crafted file.

Frequently asked questions

What is CVE-2014-6430?: The SnifferDecompress function in wiretap/ngsniffer.c in the DOS Sniffer file parser in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 does not validate bitmask data, which allows remote attackers to cause a denial of service (application crash) via a crafted file.
How severe is CVE-2014-6430?: CVE-2014-6430 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-6430 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-6430?: CVE-2014-6430 primarily affects Wireshark. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-6430?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-6430 published?: CVE-2014-6430 was published on 2014-09-20 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:wireshark:wireshark:1.10.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.4:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.5:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.6:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.7:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.8:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.9:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.12.0:*:*:*:*:*:*:*

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