High [CVE-2026-90776] Denial of Service via crafted email headers
This high-severity Red Hat Linux advisory covers CVE-2026-90776 affecting Red Hat Developer Hub, Red Hat Enterprise Linux 10, Self-service automation portal 2.
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Summary
Denial of Service via crafted email headers. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-1333.
Affected products named by the advisory: Red Hat Developer Hub; Red Hat Enterprise Linux 10; Self-service automation portal 2; Red Hat package: grafana.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 10.0.5. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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