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GHSA-9mj6-hxhv-w67j

jose2go is vulnerable to a JWT bomb attack through its decode function

Source: GitHub Advisory Database (reviewed) High CVE-2025-63811

Packages

EcosystemPackageAffectedFixed in
Go github.com/dvsekhvalnov/jose2go < 1.7.0 1.7.0

Details

As written in the advisory (Markdown source, shown as plain text).

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

External links from the advisory. They lead to third-party sites.