Red Hat Security AdvisoryRHSA-2023:6021
varnish:6 security update
Released 2023-10-27 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream AUS (v.8.4) varnish-6.0.6-2.module+el8.4.0+20467+7fe641ed.4.src::varnish:6, varnish-6.0.6-2.module+el8.4.0+20467+7fe641ed.4.x86_64::varnish:6, varnish-devel-6.0.6-2.module+el8.4.0+20467+7fe641ed.4.x86_64::varnish:6 +3
- Red Hat Enterprise Linux AppStream E4S (v.8.4) varnish-6.0.6-2.module+el8.4.0+20467+7fe641ed.4.aarch64::varnish:6, varnish-6.0.6-2.module+el8.4.0+20467+7fe641ed.4.ppc64le::varnish:6, varnish-6.0.6-2.module+el8.4.0+20467+7fe641ed.4.s390x::varnish:6 +15
- Red Hat Enterprise Linux AppStream TUS (v.8.4) varnish-6.0.6-2.module+el8.4.0+20467+7fe641ed.4.src::varnish:6, varnish-6.0.6-2.module+el8.4.0+20467+7fe641ed.4.x86_64::varnish:6, varnish-devel-6.0.6-2.module+el8.4.0+20467+7fe641ed.4.x86_64::varnish:6 +3
Fixes 1 record
Priority CRITICAL 90KEV
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.99999 · Published 2023-10-10 · Partial fix · 1.28.0, 0.17.0 +9 CWE-400
