ALSA-2026:63332
ALSA-2026:63332 · Important: buildah security update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
Fix available
- Published
- Updated
Stack: system
Affected products and versions
buildah AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2:1.43.1-5.el10_2
Update to 2:1.43.1-5.el10_2
buildah-tests AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2:1.43.1-5.el10_2
Update to 2:1.43.1-5.el10_2
Original sources
- https://access.redhat.com/errata/RHSA-2026:63332
- https://access.redhat.com/security/cve/CVE-2026-33810
- https://access.redhat.com/security/cve/CVE-2026-33818
- https://access.redhat.com/security/cve/CVE-2026-42499
- https://access.redhat.com/security/cve/CVE-2026-56853
- https://access.redhat.com/security/cve/CVE-2026-56858
- https://access.redhat.com/security/cve/CVE-2026-56860
- https://access.redhat.com/security/cve/CVE-2026-56862
- https://bugzilla.redhat.com/2456335
- https://bugzilla.redhat.com/2467809
- https://bugzilla.redhat.com/2515815
- https://bugzilla.redhat.com/2515820
- https://bugzilla.redhat.com/2515827
- https://bugzilla.redhat.com/2515838
- https://bugzilla.redhat.com/2515839
- https://errata.almalinux.org/10/ALSA-2026-63332.html
- https://osv.dev/vulnerability/ALSA-2026:63332