CVE-2025-63095

CVSS 6.5 MEDIUMEPSS 0.3%CWE-20

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.5EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

01 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

n/a · n/a

References

https://gist.github.com/thesmartshadow/b092e2493821491b981a069847a33064 https://github.com/tempus-ex/hello-video-codec https://github.com/tempus-ex/hello-video-codec/blob/3e9551c699311ea12ad7f2fce9562fbc990d524c/src/bitstream.rs https://github.com/tempus-ex/hello-video-codec/tree/3e9551c699311ea12ad7f2fce9562fbc990d524c