How severe is CVE-2025-68388?

CVE-2025-68388 has a CVSS 3.x base score of 5.3, rated medium 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 low.

Is CVE-2025-68388 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-68388?

CVE-2025-68388 affects Elasticsearch Packetbeat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-68388?

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

Does CVE-2025-68388 have an EU (EUVD) identifier?

Yes. CVE-2025-68388 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204397.

When was CVE-2025-68388 published?

CVE-2025-68388 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2025-68388

CVE-2025-68388 is a medium-severity vulnerability in Elasticsearch Packetbeat with a CVSS 3.x base score of 5.3. 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204397
Weakness: CWE-770
Affected product: Elasticsearch Packetbeat
Published: 2025-12-18
Last modified: 2026-06-17

Description

Allocation of resources without limits or throttling (CWE-770) allows an unauthenticated remote attacker to cause excessive allocation (CAPEC-130) of memory and CPU via the integration of malicious IPv4 fragments, leading to a degradation in Packetbeat.

Frequently asked questions

What is CVE-2025-68388?: Allocation of resources without limits or throttling (CWE-770) allows an unauthenticated remote attacker to cause excessive allocation (CAPEC-130) of memory and CPU via the integration of malicious IPv4 fragments, leading to a degradation in Packetbeat.
How severe is CVE-2025-68388?: CVE-2025-68388 has a CVSS 3.x base score of 5.3, rated medium 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 low.
Is CVE-2025-68388 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-68388?: CVE-2025-68388 affects Elasticsearch Packetbeat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-68388?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-68388 have an EU (EUVD) identifier?: Yes. CVE-2025-68388 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204397.
When was CVE-2025-68388 published?: CVE-2025-68388 was published on 2025-12-18 and last updated on 2026-06-17.

References

https://discuss.elastic.co/t/packetbeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-29/384177

Affected products (1)

cpe:2.3:a:elasticsearch:packetbeat:*:*:*:*:*:*:*:*

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