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Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.16 bug fix and security update

🗓️ 19 May 2026 12:52:06Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 26 Views

Red Hat OpenShift Container Platform 4.21.16 fixes bugs and includes an Important security update.

Related
Refs
ReporterTitlePublishedViews
Family
osv
OSV		CLEANSTART-2026-MS81166 Security fixes for CVE-2025-61727, CVE-2025-61729, CVE-2025-68121, CVE-2026-1229, CVE-2026-24051, CVE-2026-25679, CVE-2026-26958, CVE-2026-27142, CVE-2026-33186 applied in versions: 2.4.4-r2, 2.4.4-r4, 2.5.0-r0, 2.5.0-r1
1 Apr 202609:37
–osv
osv
OSV		CLEANSTART-2026-MT27167 Security fixes for CVE-2021-3538, CVE-2025-29923, CVE-2025-53547, CVE-2025-55198, CVE-2025-55199, CVE-2025-68121, CVE-2026-24051, CVE-2026-25679, CVE-2026-27139, CVE-2026-27141, CVE-2026-27142, CVE-2026-33186, ghsa-557j-xg8c-q2mm, ghsa-9h84-qmv7-982p, ghsa-f6x5-jh6r-wrfv, ghsa-f9f8-9pmf-xv68, ghsa-j5w8-q4qc-rx2x applied in versions: 2.14.2-r0, 2.14.2-r1, 2.14.3-r0, 2.14.3-r1
1 Apr 202609:36
–osv
osv
OSV		CLEANSTART-2026-MU81308 gRPC-Go is the Go language implementation of gRPC
10 Apr 202600:56
–osv
osv
OSV		CLEANSTART-2026-MW09143 Security fixes for CVE-2024-45337, CVE-2026-25680, CVE-2026-25681, CVE-2026-27136, CVE-2026-27145, CVE-2026-33186, CVE-2026-34986, CVE-2026-39821, CVE-2026-42502, CVE-2026-42504, CVE-2026-42506, CVE-2026-42507, ghsa-6v2p-p943-phr9, ghsa-78h2-9frx-2jm8, ghsa-c6gw-w398-hv78, ghsa-f6x5-jh6r-wrfv, ghsa-hcg3-p754-cr77, ghsa-j5w8-q4qc-rx2x, ghsa-qxp5-gw88-xv66, ghsa-v778-237x-gjrc, ghsa-vvgc-356p-c3xw applied in versions: 1.15.0-r1, 1.19.0-r0, 1.19.1-r0, 1.19.2-r0
8 Jun 202613:16
–osv
osv
OSV		CLEANSTART-2026-MW24969 Security fixes for CVE-2025-61732, CVE-2025-68121, CVE-2026-24051, CVE-2026-25679, CVE-2026-27139, CVE-2026-27142, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-32289, CVE-2026-33186, CVE-2026-33810, CVE-2026-39883, ghsa-9h8m-3fm2-qjrq, ghsa-p77j-4mvh-x3m3 applied in versions: 1.28.1-r0, 1.28.1-r1, 1.28.1-r2
18 May 202613:49
–osv
osv
OSV		CLEANSTART-2026-MW66533 Security fixes for CVE-2025-15558, CVE-2025-47907, CVE-2026-24051, CVE-2026-25679, CVE-2026-26958, CVE-2026-27139, CVE-2026-27142, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-32289, CVE-2026-32952, CVE-2026-33186, CVE-2026-33810, CVE-2026-34986, CVE-2026-39883, ghsa-2x5j-vhc8-9cwm, ghsa-6m8w-jc87-6cr7, ghsa-fw7p-63qq-7hpr, ghsa-p436-gjf2-799p, ghsa-p77j-4mvh-x3m3, ghsa-pjcq-xvwq-hhpj, ghsa-vvgc-356p-c3xw applied in versions: 1.14.4-r1, 1.14.4-r2, 1.15.3-r1, 1.15.3-r2, 1.15.3-r3, 1.15.3-r4
18 May 202613:57
–osv
osv
OSV		CLEANSTART-2026-MX56097 Security fixes for CVE-2026-25679, CVE-2026-27139, CVE-2026-27142, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-32289, CVE-2026-33186, CVE-2026-33811, CVE-2026-33814, CVE-2026-39820, CVE-2026-39823, CVE-2026-39825, CVE-2026-39826, CVE-2026-39836, CVE-2026-42499, ghsa-p77j-4mvh-x3m3, ghsa-vvgc-356p-c3xw applied in versions: 1.7.0-r0, 1.7.0-r1
20 May 202605:16
–osv
osv
OSV		CLEANSTART-2026-MY41612 Security fixes in opentofu-fips 1.10.9-r4
30 Jul 202607:10
–osv
osv
OSV		CLEANSTART-2026-MY68881 Security fixes for CVE-2023-45288, CVE-2025-15558, CVE-2026-25680, CVE-2026-25681, CVE-2026-26958, CVE-2026-27136, CVE-2026-27145, CVE-2026-33186, CVE-2026-33811, CVE-2026-33814, CVE-2026-33815, CVE-2026-33816, CVE-2026-34986, CVE-2026-35469, CVE-2026-39817, CVE-2026-39819, CVE-2026-39820, CVE-2026-39821, CVE-2026-39823, CVE-2026-39824, CVE-2026-39825, CVE-2026-39826, CVE-2026-39827, CVE-2026-39828, CVE-2026-39829, CVE-2026-39830, CVE-2026-39831, CVE-2026-39832, CVE-2026-39833, CVE-2026-39834, CVE-2026-39835, CVE-2026-39836, CVE-2026-39882, CVE-2026-39883, CVE-2026-42499, CVE-2026-42501, CVE-2026-42502, CVE-2026-42504, CVE-2026-42506, CVE-2026-42507, CVE-2026-42508, CVE-2026-44740, CVE-2026-44973, CVE-2026-45022, CVE-2026-45570, CVE-2026-45571, CVE-2026-46595, CVE-2026-46597, CVE-2026-46598, ghsa-389r-gv7p-r3rp, ghsa-3xc5-wrhm-f963, ghsa-78h2-9frx-2jm8, ghsa-crhj-59gh-8x96, ghsa-fw7p-63qq-7hpr, ghsa-hfvc-g4fc-pqhx, ghsa-j88v-2chj-qfwx, ghsa-m3xc-h892-ggx6, ghsa-m7cr-m3pv-hgrp, ghsa-p436-gjf2-799p, ghsa-qw64-3x98-g7q2, ghsa-w5pp-99ch-qj29, ghsa-w8rr-5gcm-pp58 applied in versions: 3.7.15-r0, 4.0.1-r0, 4.0.2-r0, 4.0.3-r0, 4.0.4-r0, 4.0.4-r1, 4.0.5-r0
21 Jul 202609:26
–osv
osv
OSV		CLEANSTART-2026-MZ00063 Security fixes for CVE-2026-25679, CVE-2026-25680, CVE-2026-25681, CVE-2026-27136, CVE-2026-27139, CVE-2026-27140, CVE-2026-27142, CVE-2026-27143, CVE-2026-27144, CVE-2026-27145, CVE-2026-29181, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-32288, CVE-2026-32289, CVE-2026-33186, CVE-2026-33810, CVE-2026-33811, CVE-2026-33814, CVE-2026-39817, CVE-2026-39819, CVE-2026-39820, CVE-2026-39821, CVE-2026-39823, CVE-2026-39824, CVE-2026-39825, CVE-2026-39826, CVE-2026-39836, CVE-2026-42499, CVE-2026-42501, CVE-2026-42502, CVE-2026-42504, CVE-2026-42506, CVE-2026-42507, ghsa-mh2q-q3fh-2475 applied in versions: 2.17.0-r0, 2.17.0-r1, 2.17.0-r2
8 Jun 202614:34
–osv
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25 Aug 2026 04:43Current
7High risk
Vulners AI Score7
CVSS 3.19.1 - 10
CVSS 46.9
EPSS0.01882
SSVC
OpenShiftContainer PlatformSecurity UpdateBug FixesContainer ImagesPackage UpdatesRelease NotesImportant Severity
26