AlmaLinux alert ALSA-2026:28074 (skopeo)

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[Announce]  [Security Advisory] ALSA-2026:28074: skopeo security update (Important)
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Tue, 23 Jun 2026 16:16:05 +0000
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<0100019ef5447802-1120bfa2-5e2a-453e-a39d-a086aade2e2c-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 9
Type: Security
Severity: Important
Release date: 2026-06-23

Summary:

The skopeo command lets you inspect images from container image registries, get images and image
layers, and use signatures to create and verify files.   

Security Fix(es):  

  * crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain
validation (CVE-2026-32281)
  * crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages
(CVE-2026-32283)
  * crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain
building (CVE-2026-32280)


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.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/9/ALSA-2026-28074.html

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AlmaLinux Team
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