CVE-2025-63811
Denial-of-Service (DoS) via crafted JSON Web Encryption (JWE) token high compression ratio in github.com/dvsekhvalnov/jose2go
7.5
HIGH
CVSS 3.1
EPSS 0.03%
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.
How to fix CVE-2025-63811
To remediate CVE-2025-63811, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 1.7.0 or later
- —upgrade to 1.7.0 or later
Is CVE-2025-63811 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0
- from 0, < 1.7.0
- from 0, < 1.7.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |