How severe is CVE-2025-63095?

CVE-2025-63095 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-2025-63095 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63095?

CVE-2025-63095 affects Tempus-ex Hello-video-codec. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-63095?

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

Does CVE-2025-63095 have an EU (EUVD) identifier?

Yes. CVE-2025-63095 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199991.

When was CVE-2025-63095 published?

CVE-2025-63095 was published on 2025-12-01 and last updated on 2026-06-17.

CVE-2025-63095

CVE-2025-63095 is a medium-severity vulnerability in Tempus-ex Hello-video-codec 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-199991
Weakness: CWE-20
Affected product: Tempus-ex Hello-video-codec
Published: 2025-12-01
Last modified: 2026-06-17

Description

Improper input validation in the BitstreamWriter::write_bits() function of Tempus Ex hello-video-codec v0.1.0 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Frequently asked questions

What is CVE-2025-63095?: Improper input validation in the BitstreamWriter::write_bits() function of Tempus Ex hello-video-codec v0.1.0 allows attackers to cause a Denial of Service (DoS) via a crafted input.
How severe is CVE-2025-63095?: CVE-2025-63095 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-2025-63095 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63095?: CVE-2025-63095 affects Tempus-ex Hello-video-codec. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-63095?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-63095 have an EU (EUVD) identifier?: Yes. CVE-2025-63095 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199991.
When was CVE-2025-63095 published?: CVE-2025-63095 was published on 2025-12-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tempus-ex:hello-video-codec:0.1.0:*:*:*:*:*:*:*

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