RHSA-2026:98617: Important: yggdrasil security update

Published Nov 11, 2026
·
Updated

yggdrasil is a system daemon that subscribes to topics on an MQTT broker and routes any data received on the topics to an appropriate child "worker" process, exchanging data with its worker processes through a D-Bus message broker.Security Fix(es): crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145) 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) crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862) net/http: net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of Service via excessive HTTP/2 SETTINGS frames (CVE-2026-78669) 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.

Affected Software

20 affected componentsFixes available
redhat/yggdrasil<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil-debuginfo<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil-debugsource<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil-examples-debuginfo<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil-debuginfo<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil-debugsource<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil-examples-debuginfo<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil-debuginfo<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil-debugsource<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil-examples-debuginfo<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil<0.4.10-1.el10_3.4.aa
0.4.10-1.el10_3.4.aa
redhat/yggdrasil-debuginfo<0.4.10-1.el10_3.4.aa
0.4.10-1.el10_3.4.aa
redhat/yggdrasil-debugsource<0.4.10-1.el10_3.4.aa
0.4.10-1.el10_3.4.aa
redhat/yggdrasil-examples-debuginfo<0.4.10-1.el10_3.4.aa
0.4.10-1.el10_3.4.aa
redhat/yggdrasil-devel<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil-devel<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4
redhat/yggdrasil-devel<0.4.10-1.el10_3.4.aa
0.4.10-1.el10_3.4.aa
redhat/yggdrasil-devel<0.4.10-1.el10_3.4
0.4.10-1.el10_3.4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/yggdrasil to a version that resolves this vulnerability.

    Fixed in 0.4.10-1.el10_3.4
  2. Upgrade

    Upgrade redhat/yggdrasil-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.4.10-1.el10_3.4
  3. Upgrade

    Upgrade redhat/yggdrasil-debugsource to a version that resolves this vulnerability.

    Fixed in 0.4.10-1.el10_3.4
  4. Upgrade

    Upgrade redhat/yggdrasil-examples-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.4.10-1.el10_3.4
  5. Upgrade

    Upgrade redhat/yggdrasil to a version that resolves this vulnerability.

    Fixed in 0.4.10-1.el10_3.4.aa
  6. Upgrade

    Upgrade redhat/yggdrasil-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.4.10-1.el10_3.4.aa
  7. Upgrade

    Upgrade redhat/yggdrasil-debugsource to a version that resolves this vulnerability.

    Fixed in 0.4.10-1.el10_3.4.aa
  8. Upgrade

    Upgrade redhat/yggdrasil-examples-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.4.10-1.el10_3.4.aa
  9. Upgrade

    Upgrade redhat/yggdrasil-devel to a version that resolves this vulnerability.

    Fixed in 0.4.10-1.el10_3.4
  10. Upgrade

    Upgrade redhat/yggdrasil-devel to a version that resolves this vulnerability.

    Fixed in 0.4.10-1.el10_3.4.aa

Event History

Nov 11, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software

Company

Resources

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