RHSA-2021:1679 — Security Advisory
Red Hat Security Advisory: bash security and bug fix update
Severity
LowRed Hat Product Security
Products
Official CSAF product identity
Published · May 18, 2021
Updated · November 22, 2025
Topic
An update for bash is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Low. 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
The bash packages provide Bash (Bourne-again shell), which is the default shell for Red Hat Enterprise Linux.
Security Fix(es):
- bash: when effective UID is not equal to its real UID the saved UID is not dropped (CVE-2019-18276)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.