CVE-2024-29370

Name	CVE-2024-29370
Description	In python-jose 3.3.0 (specifically jwe.decrypt), a vulnerability allows an attacker to cause a Denial-of-Service (DoS) condition by crafting a malicious JSON Web Encryption (JWE) token with an exceptionally high compression ratio. When this token is processed by the server, it results in significant memory allocation and processing time during decompression.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
python-jose (PTS)	bookworm	3.3.0+dfsg-4	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
python-jose	source	(unstable)	(unfixed)

Notes

https://github.com/mpdavis/python-jose/issues/344
https://github.com/mpdavis/python-jose/pull/352
Fixed by: https://github.com/mpdavis/python-jose/commit/8e1f521a7588dd6bfe553c3d3f320ab7a55bba36 (3.4.0)