Red Hat Security AdvisoryRHSA-2023:6022
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. 8.2) varnish-6.0.2-2.module+el8.2.0+20470+5fdd0c40.3.src::varnish:6, varnish-6.0.2-2.module+el8.2.0+20470+5fdd0c40.3.x86_64::varnish:6, varnish-devel-6.0.2-2.module+el8.2.0+20470+5fdd0c40.3.x86_64::varnish:6 +3
- Red Hat Enterprise Linux AppStream E4S (v. 8.2) varnish-6.0.2-2.module+el8.2.0+20470+5fdd0c40.3.ppc64le::varnish:6, varnish-6.0.2-2.module+el8.2.0+20470+5fdd0c40.3.src::varnish:6, varnish-6.0.2-2.module+el8.2.0+20470+5fdd0c40.3.x86_64::varnish:6 +7
- Red Hat Enterprise Linux AppStream TUS (v. 8.2) varnish-6.0.2-2.module+el8.2.0+20470+5fdd0c40.3.src::varnish:6, varnish-6.0.2-2.module+el8.2.0+20470+5fdd0c40.3.x86_64::varnish:6, varnish-devel-6.0.2-2.module+el8.2.0+20470+5fdd0c40.3.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
