What is RHSA-2026:19197?

RHSA-2026:19197 is a security advisory published by Red Hat Product Security with Low severity. Red Hat Security Advisory: python-jwcrypto security update

Which CVE IDs does RHSA-2026:19197 cover?

RHSA-2026:19197 covers the following CVE IDs: CVE-2026-39373. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:19197?

RHSA-2026:19197 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

Which products are affected by RHSA-2026:19197?

RHSA-2026:19197 affects 3 products, including: Red Hat Enterprise Linux AppStream (v. 9); python-jwcrypto-0:1.5.6-3.el9_8.src as a component of Red Hat Enterprise Linux AppStream (v. 9); python3-jwcrypto-0:1.5.6-3.el9_8.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9).

RHSA-2026:19197LowCVSS 7.5

Red Hat Security Advisory: python-jwcrypto security update

Vendor

Red Hat Product Security

Published

May 19, 2026

Last Modified

September 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-39373 →

📋 Description

CVE-2026-39373 — JWCrypto: python-cryptography: python: JWCrypto: Memory exhaustion via crafted compressed JWE tokens

🎯 Affected products3

Red Hat Enterprise Linux AppStream (v. 9)
python-jwcrypto-0:1.5.6-3.el9_8.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
python3-jwcrypto-0:1.5.6-3.el9_8.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

🔗 References (4)

selfhttps://access.redhat.com/errata/RHSA-2026:19197
externalhttps://access.redhat.com/security/updates/classification/#low
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2456187
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_19197.json