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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (29.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Tempus-Ex Hello-Video-Codec — versions 0.1.0
Weakness classification (CWE)
References
- gist.github.com/thesmartshadow/b092e2493821491b981a069847a33064 (Exploit, Patch, Third Party Advisory)
- github.com/tempus-ex/hello-video-codec (Product)
- github.com/tempus-ex/hello-video-codec/tree/3e9551c699311ea12ad7f2fce9562fbc990… (Product)
- github.com/tempus-ex/hello-video-codec/blob/3e9551c699311ea12ad7f2fce9562fbc990… (Product)
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.