[ALSA-2026:63332] Important: buildah security update
Type:
security
Severity:
important
Release date:
2026-09-04
Description:
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): * crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application (CVE-2026-33810) * net/mail: golang: net/mail: Denial of Service via pathological email address parsing (CVE-2026-42499) * encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818) * net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860) * net/[http:](http:) golang: Go net/[http:](http:) Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853) * html/template: golang: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858) * crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862) 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.
Updated packages listed below:
Architecture Package Checksum
aarch64 buildah-tests-1.43.1-5.el10_2.aarch64.rpm 59ccabb6809f3ea5ab6bf3c6e7c0558b9b47c2ef4fd6aef8be1a67798f4b0314
aarch64 buildah-1.43.1-5.el10_2.aarch64.rpm 7490c37b83ff60253fd8d85d515fe29f3edd59bd002273361a6385c5cd85cdb9
ppc64le buildah-tests-1.43.1-5.el10_2.ppc64le.rpm db488327d1a4e0ef611f1e45e0b5b9e40e1ebbd0d050e9816f9cdb783282f6df
ppc64le buildah-1.43.1-5.el10_2.ppc64le.rpm e29f1f5f8d061ec1fe642fbd8a54b2826597c76f25e11d0adb17f1c312d1549f
s390x buildah-tests-1.43.1-5.el10_2.s390x.rpm 025f72ff1b0ea6d058a7685eb0c023c438d1c6f5c5efdc2053bbe8872418a8d0
s390x buildah-1.43.1-5.el10_2.s390x.rpm eb4a5457fe2bbeb4b14aa6ce93a7b1100ad4aafaf831917834518f17bcd4937f
x86_64 buildah-tests-1.43.1-5.el10_2.x86_64.rpm 25806580b50c8b7343603ab6b36f92657e16bfc2ad39c4792778ddf2ba2ad3a6
x86_64 buildah-1.43.1-5.el10_2.x86_64.rpm cebd63f92d338a05f2efed0b2693383da1940d115cedc1b383e9eac9ee97e6ff
x86_64_v2 buildah-tests-1.43.1-5.el10_2.x86_64_v2.rpm 4abf9c9fb3fa6bd23412ca2830c2efe552584f53d5e1170e848e5f3e30b8ec52
x86_64_v2 buildah-1.43.1-5.el10_2.x86_64_v2.rpm 955b46fa33f52fd1b28ccdc36c787ee3b65131ab71d5f86d9b46b590c5fae489
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.