CVE-2025-35435

MEDIUM 4.3CVE-2025-35435 · Published 17/09/2025 · updated 17/06/2026

In short

CVE-2025-35435 is a MEDIUM (CVSS 4.3) vulnerability affecting thorium (cisa).
Chance of exploitation in the next 30 days (EPSS): 0.43%, higher than 37.8% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
thorium cisa	`≤ 1.1.2`	No fix yet

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

cisagov/thorium commit 7c94a0b · Product
raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json · Vendor Advisory
cve.org/CVERecord · Third Party Advisory

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Package

Affected versions

Patched versions

thorium

cisa

≤ 1.1.2

No fix yet

More vulnerabilities in thorium

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