RHSA-2023:7764 — Security Advisory

An update for buildah 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.

The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a Dockerfile; Build both Docker and OCI images.

Security Fix(es):

• golang: crypto/tls: slow verification of certificate chains containing large RSA keys (CVE-2023-29409)

• golang: html/template: improper handling of HTML-like comments within script contexts (CVE-2023-39318)

• golang: html/template: improper handling of special tags within script contexts (CVE-2023-39319)

• golang: crypto/tls: panic when processing post-handshake message on QUIC connections (CVE-2023-39321)

• golang: crypto/tls: lack of a limit on buffered post-handshake (CVE-2023-39322)

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.