High [CVE-2026-55952] Denial of Service in TLS 1.3 session ticket handling
This high-severity Red Hat Linux advisory covers CVE-2026-55952.
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Summary
Denial of Service in TLS 1.3 session ticket handling. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-130.
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 1 month ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 1 month ago·verify at source
Mitigation checklist
- Restarting the ssl application restores TLS 1.3 functionality after a crash. TLS 1.2 connections are not affected. Disabling TLS 1.3 session tickets (stateful and stateless) eliminates the attack surface.
Official advisory · high-confidence parse· fetched 1 month ago·verify at source
Discussion(0)
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