Known vulnerabilities in Red Hat OpenShift Container Platform 4

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CVE list

CVE	Summary	Score	Published
CVE-2026-88265	Crun: crun: /dev/null symlink follow during stdio reopen allows host bind-mount write and chown	5.6 Medium	Sep 10, 2026
CVE-2026-88264	Crun: crun: /dev/console symlink follow allows root-owned file creation outside the rootfs	5.6 Medium	Sep 10, 2026
CVE-2026-84042	Crun: crun: rootful krun with passt executes container payload as host root	7.8 High	Sep 10, 2026
CVE-2026-87876	Cups: openprinting cups: remaining case-insensitive username matching in scheduler side paths (cve-2026-27447 follow-up)	3.0 Low	Sep 9, 2026
CVE-2026-87875	Cups: openprinting cups: heap out-of-bounds read in cupsutf32toutf8() via missing source-length bound	4.3 Medium	Sep 9, 2026
CVE-2026-87853	Sssd: sssd: idp authentication prefix comparison allows cross-user impersonation	7.5 High	Sep 9, 2026
CVE-2026-86564	Dpdk: dpdk: missing length validation before reading command_data in virtio-net control queue handler	3.3 Low	Sep 8, 2026
CVE-2026-74860	Libxml2: double-free/uaf in libxml2 python bindings	8.5 High	Sep 8, 2026
CVE-2026-86469	Glib2: toctou symlink race in `g_file_create_replace_destination` fallback path	5.3 Medium	Sep 7, 2026
CVE-2026-81666	Corosync: corosync: integer overflow in check_memb_commit_token_sanity may bypass message length validation on 32-bit systems	6.5 Medium	Sep 4, 2026
CVE-2026-81665	A heap-based buffer overflow was found in Corosync's Totem Process Group (totempg) message reassembly	7.5 High	Sep 4, 2026
CVE-2026-78409	Util-linux: util-linux: x-mount.subdir detached-tree resolution can escape via intermediate symlinks	7.0 High	Sep 2, 2026
CVE-2026-78410	Util-linux: util-linux: restricted bind mounts do not pin the source, allowing x-mount.owner/group/mode redirection	7.8 High	Sep 2, 2026
CVE-2026-78408	Util-linux: util-linux: nsenter --join-cgroup leaks root cgroup migration authority	7.9 High	Sep 2, 2026
CVE-2026-49329	A flaw was found in openshift/oauth-server	7.5 High	Sep 1, 2026
CVE-2026-18743	Popt-devel: popt-static: short realloc in poptconfigfiletostring	2.5 Low	Sep 1, 2026
CVE-2026-82327	Libsolv: libsolv: out-of-bounds write in repo_write() via unvalidated directory id from vertical/paged .solv filelist data	5.5 Medium	Aug 28, 2026
CVE-2026-17113	A flaw was found in CRI-O's container-creation environment-variable handling (`mergeEnvs` in `server/utils.go`, consumed…	6.0 Medium	Aug 24, 2026
CVE-2026-19685	Networkmanager: networkmanager: 802-1x ca-path and phase2-ca-path bypass private_user restriction, allowing wpa-enterprise server validation bypass (incomplete fix for cve-2025-9615)	7.1 High	Aug 24, 2026
CVE-2026-78367	Rpm: rpmbuild gettarspec() crafted tar member name → macro injection	7.0 High	Aug 24, 2026
CVE-2026-77176	A flaw was found in Kata Containers	8.1 High	Aug 20, 2026
CVE-2026-77014	Libsoup: libsoup: integer truncation in sort_ranges() comparator causes silent omission of http range responses	5.3 Medium	Aug 20, 2026
CVE-2026-19582	In binutils 2.46.1 and prior versions, a victim who opens a crafted PE file using binutils could execute arbitrary…	0.0 Not rated	Aug 20, 2026
CVE-2026-43961	Vim: vimscript injection via unescaped filename in netrw s:netrwmarkfile() filter() expression allows arbitrary code execution	7.8 High	Aug 19, 2026
CVE-2026-66792	A flaw was found in the multicloud-operators-subscription component	9.9 Critical	Aug 17, 2026

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