PT-2025-38234 · Thorium · Thorium

Published 2025-09-17 · Updated 2025-09-18 · CVE-2025-35435

Positive Technologies (AI Summary)

CVSS v4.0

5.3

Medium

Base vector

AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions Thorium (affected versions not specified)

Description Thorium is susceptible to a crash issue stemming from accepting a stream split size of zero, which then leads to a division by zero error. This flaw allows a remote, authenticated attacker to trigger a service crash.

Recommendations Update to a version with commit 89101a6 or later.

Fix

Divide By Zero

Weakness Enumeration

CWE-369

Related Identifiers

CVE-2025-35435

Affected Products

Thorium

References · 7

• https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-35435 · Security Note
• https://osv.dev/vulnerability/CVE-2025-35435 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-CVE-2025-35435 · Security Note
• https://github.com/cisagov/thorium/commit/7c94a0b9bc2dc55e0c307360452f348bac06820c · Note
• https://t.me/CVEtracker/32776 · Telegram Post
• https://twitter.com/CVEnew/status/1968561238616490128 · Twitter Post