RH
Product
Red Hat OpenShift Container Platform 4.18
by Red Hat · last CVE Oct 21, 2026
On CISA KEVExploited in the wild
108
CVEs
1
On KEV
9.9
Max CVSS
3
New 30D
Severity mix
Critical 13High 81Medium 14Low 0
Watch

Add Red Hat OpenShift Container Platform 4.18 to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-42154
7.5
1%
May 4
Prometheus: remote read endpoint allows denial of service via crafted snappy payload
Affected: All versions, or not specified
CVE-2026-33846
7.5
1%
May 4
Gnutls: gnutls: denial of service via heap buffer overflow in dtls handshake fragment reassembly
Affected: All versions, or not specified
CVE-2026-40895
7.5
0%
Apr 21
follow-redirects: Custom Authentication Headers Leaked to Cross-Domain Redirect Targets
Affected: All versions, or not specified
CVE-2026-40164
7.5
0%
Apr 13
jq: Algorithmic complexity DoS via hardcoded MurmurHash3 seed
Affected: All versions, or not specified
CVE-2026-32280
7.5
1%
Apr 8
Unexpected work during chain building in crypto/x509
Affected: All versions, or not specified
CVE-2026-34986
7.5
1%
Apr 6
Go JOSE affect by a panic in JWE decryption
Affected: All versions, or not specified
CVE-2026-5121
7.5
1%
Mar 30
Libarchive: libarchive: arbitrary code execution via integer overflow in iso9660 image processing
Affected: All versions, or not specified
CVE-2026-4424
7.5
1%
Mar 19
Libarchive: libarchive: information disclosure via heap out-of-bounds read in rar archive processing
Affected: All versions, or not specified
CVE-2026-27135
7.5
1%
Mar 18
nghttp2 Denial of service: Assertion failure due to the missing state validation
Affected: All versions, or not specified
CVE-2026-4111
7.5
1%
Mar 13
Libarchive: infinite loop denial of service in rar5 decompression via archive_read_data() in libarchive
Affected: All versions, or not specified
CVE-2026-3497
7.5
2%
Mar 12
Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions
Affected: All versions, or not specified
CVE-2026-25679
7.5
1%
Mar 6
Incorrect parsing of IPv6 host literals in net/url
Affected: All versions, or not specified
CVE-2025-61726
7.5
2%
Jan 28
Memory exhaustion in query parameter parsing in net/url
Affected: All versions, or not specified
CVE-2026-23490
7.5
1%
Jan 16
pyasn1 has a DoS vulnerability in decoder
Affected: All versions, or not specified
CVE-2025-11234
7.5
1%
Oct 3
Qemu-kvm: vnc websocket handshake use-after-free
Affected: All versions, or not specified
CVE-2025-6021
7.5
1%
Jun 12
Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2
Affected: All versions, or not specified
CVE-2024-12085
7.5
9%
Jan 14
Rsync: info leak via uninitialized stack contents
Affected: All versions, or not specified
CVE-2026-75939
7.4
0%
Sep 21
Openshift/oc-mirror: release signature verification: openpgp signatureerror checked before signed body is consumed
Affected: All versions, or not specified
CVE-2026-50236
7.4
0%
Aug 11
Openshift/console: authenticated ssrf with full response reflection and path neutralization via dev console webhook helpers in openshift console
Affected: All versions, or not specified
CVE-2026-50237
7.4
0%
Aug 11
Openshift/console: namespace tenant ssrf with egress bypass, catalog poisoning, and admin-mediated supply chain escalation via projecthelmchartrepository in openshift console
Affected: All versions, or not specified
CVE-2026-42011
7.4
0%
May 7
Gnutls: gnutls: security bypass due to incorrect name constraint handling
Affected: All versions, or not specified
CVE-2026-3833
7.4
1%
Apr 30
Gnutls: gnutls: policy bypass due to case-sensitive nameconstraints comparison
Affected: All versions, or not specified
CVE-2025-4953
7.4
1%
Sep 16
Podman: build context bind mount
Affected: All versions, or not specified
CVE-2024-8676
7.4
1%
Nov 26
Cri-o: checkpoint restore can be triggered from different namespaces
Affected: All versions, or not specified
CVE-2024-10963
7.4
1%
Nov 7
Pam: improper hostname interpretation in pam_access leads to access control bypass
Affected: All versions, or not specified
CVE-2026-33412
7.3
1%
Mar 24
Vim affected by Command injection via newline in glob()
Affected: All versions, or not specified
CVE-2026-75886
7.2
0%
Sep 23
Openshift/console: openshift/console: unauthenticated reverse proxy to in-cluster catalogd service with session token forwarding
Affected: All versions, or not specified
CVE-2026-96577
7.1
0%
Oct 1
Oc-mirror__release-4.21: embedded local cache registry listens on all interfaces without authentication, with delete enabled
Affected: All versions, or not specified
CVE-2026-46243
7.1
0%
Jun 1
smb: client: reject userspace cifs.spnego descriptions
Affected: All versions, or not specified
CVE-2026-4878
7.0
0%
Apr 9
Libcap: libcap: privilege escalation via toctou race condition in cap_set_file()
Affected: All versions, or not specified
CVE-2025-5222
7.0
0%
May 27
Icu: stack buffer overflow in the srbroot::addtag function
Affected: All versions, or not specified
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