python3-jwcrypto: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, excepti...
CVE-2026-39373 is fixed in 2 products on 1 platform, first by RHSA-2026:19042, released April 7, 2026. It is not reported as exploited. Patch Radar priority: High.
Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fix(es): * JWCrypto: python-cryptography: python: JWCrypto: Memory exhaustion via crafted compressed JWE tokens (CVE-2026-39373) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python-jwcrypto · Debian 13.5 (trixie) | 1.5.6-1.1~deb13u1 | DEBIAN-CVE-2026-39373 | Apr 7, 2026 |
| python-jwcrypto · Debian 14 | 1.5.6-1.1 | DEBIAN-CVE-2026-39373 | Apr 7, 2026 |
| python-jwcrypto · RHEL 10 | 1.5.6-5.el10_2 | RHSA-2026:19042 | Apr 7, 2026 |
| python-jwcrypto · rocky 10 | 0:1.5.6-5.el10_2 | RLSA-2026:19042 | May 29, 2026 |
| python-jwcrypto · rocky 9 | 0:1.5.6-3.el9_8 | RLSA-2026:19197 | May 28, 2026 |
| python3-jwcrypto · RHEL 9 | 0:1.5.6-3.el9_8 | RHSA-2026:19197 | May 27, 2026 |
| python3-jwcrypto · almalinux 10 | 1.5.6-5.el10_2 | ALSA-2026:19042 | May 19, 2026 |
| python3-jwcrypto · almalinux 9 | 1.5.6-3.el9_8 | ALSA-2026:19197 | May 19, 2026 |
| python3-jwcrypto · amzn 2023 | 1.4.2-46.amzn2023.0.1 | ALAS2023-2026-1590 | Apr 27, 2026 |
| python3-jwcrypto · ol 10 | 0:1.5.6-5.el10_2 | ELSA-2026-19042 | Jul 8, 2026 |
| python3-jwcrypto · ol 9 | 0:1.5.6-3.el9_8 | ELSA-2026-19197 | Jun 12, 2026 |
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