How severe is CVE-2010-4300?

CVE-2010-4300 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2010-4300 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4300?

CVE-2010-4300 primarily affects Wireshark. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-4300?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2010-4300 published?

CVE-2010-4300 was published on 2010-11-26 and last updated on 2026-06-16.

CVE-2010-4300

CVE-2010-4300 is a high-severity vulnerability in Wireshark with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Wireshark
Published: 2010-11-26
Last modified: 2026-06-16

Description

Heap-based buffer overflow in the dissect_ldss_transfer function (epan/dissectors/packet-ldss.c) in the LDSS dissector in Wireshark 1.2.0 through 1.2.12 and 1.4.0 through 1.4.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an LDSS packet with a long digest line that triggers memory corruption.

Frequently asked questions

What is CVE-2010-4300?: Heap-based buffer overflow in the dissect_ldss_transfer function (epan/dissectors/packet-ldss.c) in the LDSS dissector in Wireshark 1.2.0 through 1.2.12 and 1.4.0 through 1.4.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an LDSS packet with a long digest line that triggers memory corruption.
How severe is CVE-2010-4300?: CVE-2010-4300 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2010-4300 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4300?: CVE-2010-4300 primarily affects Wireshark. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-4300?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2010-4300 published?: CVE-2010-4300 was published on 2010-11-26 and last updated on 2026-06-16.

References

Affected products (15)

cpe:2.3:a:wireshark:wireshark:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.4:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.6:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.7:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.8:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.9:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.10:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.11:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.12:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.1:*:*:*:*:*:*:*

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