What’s Vulnerable › Vulnerabilities

CVE-2025-63095

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-01 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• Tempus-Ex Hello-Video-Codec: 0.1.0

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

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