CVE-2025-63811
HIGHCVSS 7.5/10EPSS 0.24%
Last modified
CVE-2025-63811 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dvsekhvalnov | Jose2go | >= 1.5.0, < 1.7.0 |
References
- https://github.com/dvsekhvalnov/jose2go/issues/33Exploit, Issue Tracking, Mitigation
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-63811?
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.
How severe is CVE-2025-63811?
CVE-2025-63811 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2025-63811?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-63811?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST