How severe is CVE-2024-24476?

CVE-2024-24476 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-24476 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-24476?

CVE-2024-24476 primarily affects Wireshark. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-24476?

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.

Does CVE-2024-24476 have an EU (EUVD) identifier?

Yes. CVE-2024-24476 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21895.

When was CVE-2024-24476 published?

CVE-2024-24476 was published on 2024-02-21 and last updated on 2026-06-17.

CVE-2024-24476

CVE-2024-24476 is a high-severity vulnerability in Wireshark with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-21895
Weakness: CWE-119
Affected product: Wireshark
Published: 2024-02-21
Last modified: 2026-06-17

Description

A buffer overflow in Wireshark before 4.2.0 allows a remote attacker to cause a denial of service via the pan/addr_resolv.c, and ws_manuf_lookup_str(), size components. NOTE: this is disputed by the vendor because neither release 4.2.0 nor any other release was affected.

Frequently asked questions

What is CVE-2024-24476?: A buffer overflow in Wireshark before 4.2.0 allows a remote attacker to cause a denial of service via the pan/addr_resolv.c, and ws_manuf_lookup_str(), size components. NOTE: this is disputed by the vendor because neither release 4.2.0 nor any other release was affected.
How severe is CVE-2024-24476?: CVE-2024-24476 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-24476 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-24476?: CVE-2024-24476 primarily affects Wireshark. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-24476?: 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.
Does CVE-2024-24476 have an EU (EUVD) identifier?: Yes. CVE-2024-24476 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21895.
When was CVE-2024-24476 published?: CVE-2024-24476 was published on 2024-02-21 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

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