High [CVE-2026-110353] Denial of Service via truncated HTTP/2 PING frame
This high-severity Red Hat Linux advisory covers CVE-2026-110353; related products: Red Hat Ceph Storage 5, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published Record updated
Summary
Denial of Service via truncated HTTP/2 PING frame. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-835. Red Hat lists fixing advisory RHSA-2026:83844 with package haproxy-main-3.0.30-0.1.hum1.
Affected products named by the advisory: Red Hat Ceph Storage 5; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 3 more.
Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: haproxy.
Is CVE-2026-110353 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2026-110353 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2026-110353?
Upgrade to a fixed release named by Red Hat:
- haproxy-main-3.0.30-0.1.hum1
- RHSA-2026:83844
Confirm against the vendor advisory before you patch.
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 15 days ago·verify at source
- haproxy-main-3.0.30-0.1.hum1
- RHSA-2026:83844
Official advisory · high-confidence parse· fetched 15 days ago·verify at source
Mitigation
Upgrade to a fixed release: haproxy-main-3.0.30-0.1.hum1, RHSA-2026:83844. That is the remediation for this advisory.
The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.
Official advisory · high-confidence parse· fetched 15 days ago·verify at source
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