Known vulnerabilities in Red Hat OpenShift Container Platform 4

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CVE list

CVE	Summary	Score	Published
CVE-2026-39820	Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion…	7.5 High	May 7, 2026
CVE-2026-42499	Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322	7.5 High	May 7, 2026
CVE-2026-33814	When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it…	7.5 High	May 7, 2026
CVE-2026-42011	Gnutls: gnutls: security bypass due to incorrect name constraint handling	7.4 High	May 7, 2026
CVE-2026-42010	Gnutls: gnutls: authentication bypass via nul character in username	7.1 High	May 7, 2026
CVE-2026-41139	Math.js is an extensive math library for JavaScript and Node.js	8.8 High	May 7, 2026
CVE-2026-41675	xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module	8.7 High	May 7, 2026
CVE-2026-41673	xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module	8.7 High	May 7, 2026
CVE-2026-41672	xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module	8.7 High	May 7, 2026
CVE-2026-43133	In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE…	7.9 High	May 6, 2026
CVE-2026-43114	In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo_avx2: don't return…	9.4 Critical	May 6, 2026
CVE-2026-43112	In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in…	8.8 High	May 6, 2026
CVE-2026-35579	CoreDNS is a DNS server written in Go	8.2 High	May 5, 2026
CVE-2026-34956	Openvswitch: open vswitch: denial of service via malformed ftp epasv command	5.9 Medium	May 5, 2026
CVE-2026-6322	fast-uri normalize() decoded percent-encoded authority delimiters inside the host component and then re-emitted them…	7.5 High	May 5, 2026
CVE-2026-43869	Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift	Not rated	May 5, 2026
CVE-2026-42997	An issue was discovered in idrac in OpenStack Ironic before 35.0.1	7.7 High	May 5, 2026
CVE-2026-6321	fast-uri decoded percent-encoded path separators and dot segments before applying dot-segment removal in its normalize()…	7.5 High	May 4, 2026
CVE-2026-42154	Prometheus is an open-source monitoring system and time series database	7.5 High	May 4, 2026
CVE-2026-42151	Prometheus is an open-source monitoring system and time series database	7.5 High	May 4, 2026
CVE-2026-33846	Gnutls: gnutls: denial of service via heap buffer overflow in dtls handshake fragment reassembly	7.5 High	May 4, 2026
CVE-2026-7598	A security vulnerability has been detected in libssh2 up to 1.11.1	6.9 Medium	May 1, 2026
CVE-2026-43003	An issue was discovered in OpenStack ironic-python-agent 1.0.0 through 11.5.0	8.0 High	May 1, 2026
CVE-2026-33845	Gnutls: gnutls: denial of service via dtls zero-length fragment	7.5 High	Apr 30, 2026
CVE-2026-3832	Gnutls: gnutls: security bypass allows acceptance of revoked server certificates via crafted ocsp response	3.7 Low	Apr 30, 2026

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