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High RHSA-2026:46988 3 CVEs

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Published Aug 6, 2026 · Updated Oct 20, 2026

Ecosystem: Red Hat

Fixed packages 1

ReleasePackageFixed in
Red Hat · Hardened Images 1 hummingbird:1 trivy 0:0.72.0-0.1.2.hum1

Vulnerabilities 3

  • High 7.5
    CVE-2026-56852 Public exploit

    Infinite loop on invalid input in golang.org/x/text

    A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes.

    golang.org/x/text golang.org/x/text/unicode/norm zot kubescape Debian Ubuntu Azure Linux Wolfi Go
  • Medium 6.3
    CVE-2026-15792

    Possible panic when incorrect parameters sent from frontend

    A malicious BuildKit client or frontend could craft a request that could lead to BuildKit daemon crashing with a panic.

    moby BuildKit docker.io docker.io-app Ubuntu
  • Medium 5.6
    CVE-2026-15788

    WCOW cache mount source selector resolves NTFS junctions outside of cache root

    BuildKit's cache mount source= selector on Windows Container on Windows (WCOW) workers does not detect NTFS directory junctions placed inside the cache root. A build authored by an untrusted user on a WCOW-configured BuildKit daemon can read arbitrary host fi…

    moby BuildKit

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-15788
  • report
    https://access.redhat.com/security/cve/CVE-2026-15792
  • report
    https://access.redhat.com/security/cve/CVE-2026-56852
  • article
    https://access.redhat.com/security/updates/classification/
  • article
    https://images.redhat.com/
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_46988.json
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502989
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-15788
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-15788
  • article
    https://github.com/moby/buildkit/security/advisories/GHSA-388v-wmr2-g2v2
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2503746
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-15792
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-15792
  • article
    https://github.com/moby/buildkit/security/advisories/GHSA-qx3x-mv6r-52p6
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2504233
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-56852
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-56852
  • article
    https://go.dev/cl/794100
  • article
    https://go.dev/issue/80142
  • advisory
    https://pkg.go.dev/vuln/GO-2026-5970