CVE-2025-35435 — MEDIUM (4.3)

Q: What is CVE-2025-35435?

CVE-2025-35435 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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.

Q: How severe is CVE-2025-35435?

CVE-2025-35435 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-35435?

Check the references section above for vendor advisories and patch information. Affected products include: Cisa Thorium.

Vulnerability 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.

CVSS Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Cisa	Thorium	<= 1.1.2

Related Weaknesses (CWE)

CWE-369

References

https://github.com/cisagov/thorium/commit/7c94a0b9bc2dc55e0c307360452f348bac0682Product
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/Vendor Advisory
https://www.cve.org/CVERecord?id=CVE-2025-CVE-2025-35435Third Party Advisory

FAQ

What is CVE-2025-35435?

CVE-2025-35435 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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.

How severe is CVE-2025-35435?

CVE-2025-35435 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-35435?

Check the references section above for vendor advisories and patch information. Affected products include: Cisa Thorium.