Linux · Security advisory · August 19, 2026

RHSA-2026:55859: haproxy security update

RHSA-2026:55859, released August 19, 2026, fixes 1 CVE in haproxy (version 0:1.8.27-5.el8_10.2). None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0048
41st percentile

Fixed package versions

ProductReleaseFixed in
haproxyRHEL 80:1.8.27-5.el8_10.2

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2026-55204 HAProxy - NULL Pointer Dereference in hpack_dht_insert Function 7.5 0.0048 None reported
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