How severe is CVE-2025-13499?

CVE-2025-13499 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-13499 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-13499?

CVE-2025-13499 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-2025-13499?

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-2025-13499 have an EU (EUVD) identifier?

Yes. CVE-2025-13499 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198429.

When was CVE-2025-13499 published?

CVE-2025-13499 was published on 2025-11-21 and last updated on 2026-06-17.

CVE-2025-13499

CVE-2025-13499 is a high-severity vulnerability in Wireshark with a CVSS 3.x base score of 7.8. 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-824.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198429
Weakness: CWE-824
Affected product: Wireshark
Published: 2025-11-21
Last modified: 2026-06-17

Description

Kafka dissector crash in Wireshark 4.6.0 and 4.4.0 to 4.4.10 allows denial of service

Frequently asked questions

What is CVE-2025-13499?: Kafka dissector crash in Wireshark 4.6.0 and 4.4.0 to 4.4.10 allows denial of service
How severe is CVE-2025-13499?: CVE-2025-13499 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-13499 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-13499?: CVE-2025-13499 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-2025-13499?: 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-2025-13499 have an EU (EUVD) identifier?: Yes. CVE-2025-13499 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198429.
When was CVE-2025-13499 published?: CVE-2025-13499 was published on 2025-11-21 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:4.6.0:-:*:*:*:*:*:*

More vulnerabilities in Wireshark

CVE-2011-0444 — Critical (CVSS 10.0): Buffer overflow in the MAC-LTE dissector (epan/dissectors/packet-mac-lte.c) in Wireshark 1.2.0 through 1.2.13 and 1.4.0…
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