CVE-2025-4035

MediumCVSS 4.3/10Last modified Jun 30, 2026

Description

A flaw was found in libsoup. When handling cookies, libsoup clients mistakenly allow cookies to be set for public suffix domains if the domain contains at least two components and includes an uppercase character. This bypasses public suffix protections and could allow a malicious website to set cookies for domains it does not own, potentially leading to integrity issues such as session fixation.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-178

Affected software

No affected versions have been published.

Timeline

Published
Apr 29, 2025
Last modified
Jun 30, 2026
NVD status
Deferred

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CVE-2025-4035: Medium severity, CVSS 4.3 | Vulnix