CVE-2025-63811

HIGH

dvsekhvalnov jose2go 1.5.0-1.7.0 - Denial of Service via Crafted JWE Token

Title source: llm
STIX 2.1

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 (1)

Core 1
Core References
Exploit, Issue Tracking, Mitigation
https://github.com/dvsekhvalnov/jose2go/issues/33

Scores

CVSS v3 7.5
EPSS 0.0024
EPSS Percentile 14.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (2)
dvsekhvalnov/jose2go 0 - 1.7.0Go
dvsekhvalnov/jose2go 1.5.0 - 1.7.0
Published Nov 12, 2025
Tracked Since Feb 18, 2026