Improper input validation in Tempus-Ex Hello-Video-Codec

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (25.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-63095?
CVE-2025-63095 is a medium-severity vulnerability in Tempus-Ex Hello-Video-Codec, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2025-12-01.
How severe is CVE-2025-63095?
Medium severity. CVSS v3 base score is 6.5 out of 10.