CVE-2025-35435

MEDIUM

CISA Thorium < 1.1.2 - Authenticated Denial of Service via Zero Stream Split Size

Title source: llm

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.

References (3)

Core 3

Core References

Product

https://github.com/cisagov/thorium/commit/7c94a0b9bc2dc55e0c307360452f348bac06820c

View Writeup ZIP pw:eip

Vendor Advisory

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json

Third Party Advisory

https://www.cve.org/CVERecord?id=CVE-2025-CVE-2025-35435

Scores

CVSS v3 4.3

EPSS 0.0040

EPSS Percentile 31.5%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-369

Status published

Products (1)

cisa/thorium < 1.1.2

Published Sep 17, 2025

Tracked Since Feb 18, 2026