RHSA-2026:61623 — Security Advisory
Red Hat Security Advisory: gzip security update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · September 1, 2026
Updated · October 9, 2026
Topic
An update for gzip is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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 gzip packages contain the gzip (GNU zip) data compression utility. gzip is used to compress regular files. It replaces them with files containing the .gz extension, while retaining ownership modes, access, and modification times.
Security Fix(es):
-
gzip: gzip: Arbitrary file overwrite via insecure temporary file handling in gzexe utility (CVE-2026-41991)
-
gzip: gzip: Information disclosure via global buffer overflow in LZH decompression (CVE-2026-41992)
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.