RHSA-2026:42079: receptor security update

RHSA-2026:42079, released May 22, 2026, fixes 3 CVEs in receptor (version 1.6.6-1.el10ap). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.1

Base score, 0 to 10

Highest EPSS

0.0088

59th percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 3
                                Routine 0

Fixed package versions

Product	Release	Fixed in
receptor	RHEL 10	1.6.6-1.el10ap

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-33811	Crash when handling long CNAME response in net	8.8	0.0088	None reported
High	CVE-2026-32281	Inefficient policy validation in crypto/x509	9.1	0.0036	None reported
High	CVE-2026-25681	Invoking incorrect handling of character references in DOCTYPE nodes in golang.org/x/net/html	8.7	0.0022	None reported

Also fixes CVE-2026-33811

OPENSUSE-SU-2026:21483-1
govulncheck-vulndb on opensuse-leap 16.0
RHSA-2026:41019
flightctl on RHEL 10
RHSA-2026:49702
golang on RHEL 10
ELSA-2026-65534-0
image-builder on ol 10
RHSA-2026:65534
image-builder on RHEL 10
RLSA-2026:65534
image-builder on rocky 10
RHSA-2026:65886
image-builder on RHEL 9
ELSA-2026-65886-0
image-builder on ol 9

Vendor advisory

https://access.redhat.com/errata/RHSA-2026:42079

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