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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://gist.github.com/thesmartshadow/b092e2493821491b981a069847a33064	Exploit Patch Third Party Advisory
https://github.com/tempus-ex/hello-video-codec	Product
https://github.com/tempus-ex/hello-video-codec/blob/3e9551c699311ea12ad7f2fce9562fbc990d524c/src/bitstream.rs	Product
https://github.com/tempus-ex/hello-video-codec/tree/3e9551c699311ea12ad7f2fce9562fbc990d524c	Product

Configurations

Configuration 1 (hide)

cpe:2.3:a:tempus-ex:hello-video-codec:0.1.0:*:*:*:*:*:*:*

History

04 Nov 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) Validación de entrada incorrecta en la función BitstreamWriter::write_bits() de Tempus Ex hello-video-codec v0.1.0 permite a los atacantes causar una Denegación de Servicio (DoS) mediante una entrada manipulada.

Information

Published : 2025-12-01 16:15

Updated : 2026-11-04 23:10

NVD link : CVE-2025-63095

Mitre link : CVE-2025-63095

CVE.ORG link : CVE-2025-63095

JSON object : View

Products Affected

tempus-ex

hello-video-codec

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2025-63095", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-63095", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-12-01T19:44:12.476136Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}]}], "published": "2025-12-01T16:15:55.657", "references": [{"url": "https://gist.github.com/thesmartshadow/b092e2493821491b981a069847a33064", "tags": ["Exploit", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/tempus-ex/hello-video-codec", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://github.com/tempus-ex/hello-video-codec/blob/3e9551c699311ea12ad7f2fce9562fbc990d524c/src/bitstream.rs", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://github.com/tempus-ex/hello-video-codec/tree/3e9551c699311ea12ad7f2fce9562fbc990d524c", "tags": ["Product"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Validaci\u00f3n de entrada incorrecta en la funci\u00f3n BitstreamWriter::write_bits() de Tempus Ex hello-video-codec v0.1.0 permite a los atacantes causar una Denegaci\u00f3n de Servicio (DoS) mediante una entrada manipulada."}], "lastModified": "2026-11-04T23:10:00.223", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tempus-ex:hello-video-codec:0.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5CF54CCF-E9A4-4D31-8FCA-758A7B87DBCD"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}