CVE-2025-35435

CISA Thorium download stream divide by zero

Published Sep 17, 2025 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
CISA Thorium accepts a stream split size of zero then divides by this value. A remote, authenticated attacker could cause the service to crash. Fixed in commit 89101a6.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-29733 CISA Thorium accepts a stream split size of zero then divides by this value. A remote, authenticated attacker could cause the service to crash. Fixed in commit 89101a6.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:cisa:thorium:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Cisa
Cisa thorium
Vendors & Products Cisa
Cisa thorium
Type Values Removed Values Added
Description CISA Thorium accepts a stream split size of zero then divides by this value. A remote, authenticated attacker could cause the service to crash. Fixed in commit 89101a6.
Title CISA Thorium download stream divide by zero
Weaknesses CWE-369
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cisa-cg
Published
Updated
Sep 30, 2025, 4:35 PM
Reserved
Apr 15, 2025, 8:57 PM
Status
Analyzed
Published
Sep 17, 2025, 5:15 PM
Modified
Jun 17, 2026, 9:14 AM