RHSA-2023:2780 — Security Advisory

An update for cockpit-composer, osbuild, osbuild-composer, and weldr-client is now available for Red Hat Enterprise Linux 8.

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.

Image Builder is a service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood.

Security Fix(es):

• golang: archive/tar: unbounded memory consumption when reading headers (CVE-2022-2879)

• golang: net/http/httputil: ReverseProxy should not forward unparseable query parameters (CVE-2022-2880)

• golang: net/http: handle server errors after sending GOAWAY (CVE-2022-27664)

• golang: regexp/syntax: limit memory used by parsing regexps (CVE-2022-41715)

• golang: net/http: An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests (CVE-2022-41717)

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 8.8 Release Notes linked from the References section.