CVE-2025-63811
Dvsekhvalnov Jose2go denial of service
- Published12 Nov 2025
Description
An issue was discovered in dvsekhvalnov jose2go 1.5.0 thru 1.7.0 allowing an attacker to cause a Denial-of-Service (DoS) via crafted JSON Web Encryption (JWE) token with an exceptionally high compression ratio.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HAffected products
Remediation
Related CVEs
Recent high-severity vulnerabilities sharing a weakness type.
Frequently asked
Is CVE-2025-63811 being actively exploited?
CVE-2025-63811 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.24%.
How severe is CVE-2025-63811?
CVE-2025-63811 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.24% probability of exploitation.
Which products are affected by CVE-2025-63811?
Affected products include Dvsekhvalnov Jose2go.
How do I fix CVE-2025-63811?
Upgrade affected software to a fixed version, for example Dvsekhvalnov Jose2go 1.7.0 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2025-63811 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.