RHSA-2026:42240

Details

Details:

Red Hat Satellite is a system management solution that allows organizations to configure and maintain their systems without the necessity to provide public Internet access to their servers or other client systems. It performs provisioning and configuration management of predefined standard operating environments.

Security Fix(es):

python3.12-pulpcore: pulpcore: relative_path_validator bypass via directory traversal in FilesystemExport (CVE-2026-12701)
yggdrasil-worker-forwarder: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145)
yggdrasil-worker-forwarder: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)
yggdrasil-worker-forwarder: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)
yggdrasil-worker-forwarder: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation (CVE-2026-33186)

Affected Packages

python3.12-pulpcore

Red Hat satellite 6.19 el9Red Hat satellite_capsule 6.19 el9

Fixed in:

0:3.85.15-5.el9pc

yggdrasil-worker-forwarder

Red Hat satellite 6.19 el9

Fixed in:

0:0.0.4-1.el9sat

References

ADVISORY

https://access.redhat.com/errata/RHSA-2026:42240

WEB

https://access.redhat.com/security/updates/classification/#important

ADVISORY

https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_42240.json