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.
Published: 2025-11-12
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-9mj6-hxhv-w67j jose2go is vulnerable to a JWT bomb attack through its decode function
History

Wed, 31 Dec 2025 16:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:dvsekhvalnov:jose2go:*:*:*:*:*:go:*:*

Thu, 13 Nov 2025 16:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 12 Nov 2025 23:00:00 +0000

Type Values Removed Values Added
First Time appeared Dvsekhvalnov
Dvsekhvalnov jose2go
Vendors & Products Dvsekhvalnov
Dvsekhvalnov jose2go

Wed, 12 Nov 2025 15:15:00 +0000

Type Values Removed Values Added
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.
References

Subscriptions

Dvsekhvalnov Jose2go
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-13T16:01:59.200Z

Reserved: 2025-10-27T00:00:00.000Z

Link: CVE-2025-63811

cve-icon Vulnrichment

Updated: 2025-11-13T16:01:40.895Z

cve-icon NVD

Status : Analyzed

Published: 2025-11-12T18:15:35.953

Modified: 2025-12-31T16:26:18.007

Link: CVE-2025-63811

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-11-12T22:16:16Z

Weaknesses