RHSA-2026:90812 — Security Advisory
Red Hat Security Advisory: cjose security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · October 30, 2026
Updated · November 2, 2026
Topic
An update for cjose is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
CJose is C library implementing the Javascript Object Signing and Encryption (JOSE).
Security Fix(es):
- cjose: cjose: Heap buffer overflow in AES Key Wrap decryption leads to denial of service (CVE-2026-53938)
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.