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CVE-2025-63095

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Date: November 30, 2025

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.

Severity Score

Related Resources (6)

https://github.com/tempus-ex/hello-video-codec/blob/3e9551c699311ea12ad7f2fce9562fbc990d524c/src/bitstream.rs
https://gist.github.com/thesmartshadow/b092e2493821491b981a069847a33064
https://nvd.nist.gov/vuln/detail/CVE-2025-63095
https://github.com/tempus-ex/hello-video-codec/tree/3e9551c699311ea12ad7f2fce9562fbc990d524c
https://github.com/tempus-ex/hello-video-codec
https://www.mend.io/vulnerability-database/CVE-2025-63095

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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