How severe is CVE-2025-65406?

CVE-2025-65406 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-65406 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-65406?

CVE-2025-65406 affects Live555 Streaming Media. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-65406?

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

Does CVE-2025-65406 have an EU (EUVD) identifier?

Yes. CVE-2025-65406 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200017.

When was CVE-2025-65406 published?

CVE-2025-65406 was published on 2025-12-01 and last updated on 2026-06-17.

CVE-2025-65406

CVE-2025-65406 is a medium-severity vulnerability in Live555 Streaming Media with a CVSS 3.x base score of 6.5. 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-122.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-200017
Weakness: CWE-122
Affected product: Live555 Streaming Media
Published: 2025-12-01
Last modified: 2026-06-17

Description

A heap overflow in the MatroskaFile::createRTPSinkForTrackNumber() function of Live555 Streaming Media v2018.09.02 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MKV file.

Frequently asked questions

What is CVE-2025-65406?: A heap overflow in the MatroskaFile::createRTPSinkForTrackNumber() function of Live555 Streaming Media v2018.09.02 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MKV file.
How severe is CVE-2025-65406?: CVE-2025-65406 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-65406 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-65406?: CVE-2025-65406 affects Live555 Streaming Media. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-65406?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-65406 have an EU (EUVD) identifier?: Yes. CVE-2025-65406 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200017.
When was CVE-2025-65406 published?: CVE-2025-65406 was published on 2025-12-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:live555:streaming_media:2018-09-02:*:*:*:*:*:*:*

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