Red Hat vulnerabilities
We track 2,065 vulnerabilities in Red Hat products across 60+ products. 2,057 are rated high or critical, and 99 have been exploited in real attacks. The most recent was published on November 13, 2026.
Latest Red Hat vulnerabilities
- 7.5 High severity
Red Hat Build of Keycloak: Cleartext Storage of Sensitive Information
A flaw was found in Keycloak in OAuth 2.0 Pushed Authorization Requests (PAR). Client-provided parameters were found to be included in plain text in the KC_RESTART cookie returned by the authorization server's HTTP response to a `request_uri` authorization req
- 8.1 High severity
Red Hat Enterprise Linux 10: Buffer Copy without Checking Size of Input
A vulnerability was found in libndp. This flaw allows a local malicious user to cause a buffer overflow in NetworkManager, triggered by sending a malformed IPv6 router advertisement packet. This issue occurred as libndp was not correctly validating the route l
- 7.5 High severity
A flaw was found in 389-ds-base. A specially-crafted LDAP query can potentially cause a…
A flaw was found in 389-ds-base. A specially-crafted LDAP query can potentially cause a failure on the directory server, leading to a denial of service
- 8.3 High severity
OADP-1.3-RHEL-9: Improper Validation of Integrity Check Value
A flaw was found in the github.com/containers/image library. This flaw allows attackers to trigger unexpected authenticated registry accesses on behalf of a victim user, causing resource exhaustion, local path traversal, and other attacks.
- 7.5 High severity
Red Hat OpenStack Platform 16.1: Uncontrolled Resource Consumption
The etcd package distributed with the Red Hat OpenStack platform has an incomplete fix for CVE-2023-39325/CVE-2023-44487, known as Rapid Reset. This issue occurs because the etcd package in the Red Hat OpenStack platform is using http://golang.org/x/net/http2
- 7.5 High severity
Red Hat OpenStack Platform 16.1: Uncontrolled Resource Consumption
The etcd package distributed with the Red Hat OpenStack platform has an incomplete fix for CVE-2021-44716. This issue occurs because the etcd package in the Red Hat OpenStack platform is using http://golang.org/x/net/http2 instead of the one provided by Red Ha
- 7.5 High severity
Red Hat OpenStack Platform 16.1: Uncontrolled Resource Consumption
The etcd package distributed with the Red Hat OpenStack platform has an incomplete fix for CVE-2022-41723. This issue occurs because the etcd package in the Red Hat OpenStack platform is using http://golang.org/x/net/http2 instead of the one provided by Red Ha
- 7.2 High severity
Red Hat OpenShift Container Platform 4.12: Improper Neutralization of Special Elements used in a Command
A flaw was found in cri-o, where an arbitrary systemd property can be injected via a Pod annotation. Any user who can create a pod with an arbitrary annotation may perform an arbitrary action on the host system.
- 7.3 High severity
mirror registry for Red Hat OpenShift: Plaintext Storage of a Password
A flaw was found in Quay, where Quay's database is stored in plain text in mirror-registry on Jinja's config.yaml file. This issue leaves the possibility of a malicious actor with access to this file to gain access to Quay's Redis instance.
- 7.3 High severity
mirror registry for Red Hat OpenShift: Plaintext Storage of a Password
A flaw was found in how Quay's database is stored in plain-text in mirror-registry on the jinja's config.yaml file. This flaw allows a malicious actor with access to this file to gain access to Quay's database.
- 8.8 High severity
mirror registry for Red Hat OpenShift: Plaintext Storage of a Password
A flaw was found when using mirror-registry to install Quay. It uses a default secret, which is stored in plain-text format in one of the configuration template files. This issue may lead to all instances of Quay deployed using mirror-registry to have the same
- 8.1 High severity
Red Hat Ansible Automation Platform 2.4 for…: Cleartext Transmission of Sensitive Information
A flaw was found in the ansible automation platform. An insecure WebSocket connection was being used in installation from the Ansible rulebook EDA server. An attacker that has access to any machine in the CIDR block could download all rulebook data from the We
- 7.7 High severity
Red Hat OpenShift Container Platform 4.12: Exposure of Sensitive Information to an Unauthorized Actor
A credentials leak vulnerability was found in the cluster monitoring operator in OCP. This issue may allow a remote attacker who has basic login credentials to check the pod manifest to discover a repository pull secret.
- 8.8 High severity
Red Hat build of Keycloak 22: Improper Authentication
A flaw was found in Keycloak that occurs from an error in the re-authentication mechanism within org.keycloak.authentication. This flaw allows hijacking an active Keycloak session by triggering a new authentication process with the query parameter "prompt=logi
- 7.1 High severity
Red Hat Enterprise Linux 8: Concurrent Execution using Shared Resource with Improper Synchronization
A race condition flaw was found in sssd where the GPO policy is not consistently applied for authenticated users. This may lead to improper authorization issues, granting or denying access to resources inappropriately.
- 7.1 High severity
Red Hat build of Keycloak 22: URL Redirection to Untrusted Site
A flaw was found in Keycloak's redirect_uri validation logic. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to the theft of an access token, making it possible for the attacker to impersonate other users. It
- 7.4 High severity
Red Hat AMQ Broker 7: Origin Validation Error
A flaw was found in Keycloak's OIDC component in the "checkLoginIframe," which allows unvalidated cross-origin messages. This flaw allows attackers to coordinate and send millions of requests in seconds using simple code, significantly impacting the applicatio
- 8.1 High severity
Migration Toolkit for Runtimes 1 on RHEL 8: Improper Limitation of a Pathname to a Restricted Directory
A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. This issue could allow an attacker to construct a malicious request to bypass validation and access other URLs and sensitive information within the domain or conduct
- 8.8 High severity
net-snmp: Buffer Copy without Checking Size of Input
net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a buffer overflow in the handling of the `INDEX` of `NET-SNMP-VACM-MIB` can cause an out-of-bounds memory access. A user with read-only credentials can
- 7.3 High severity
Red Hat JBoss Enterprise Application Platform 8: Insufficient Verification of Data Authenticity
A flaw was found in Red Hat Enterprise Application Platform 8. When an OIDC app that serves multiple tenants attempts to access the second tenant, it should prompt the user to log in again since the second tenant is secured with a different OIDC configuration.
- 8.2 High severity
Red Hat Enterprise Linux 8: Double Free
A double free vulnerability was found in QEMU virtio devices (virtio-gpu, virtio-serial-bus, virtio-crypto), where the mem_reentrancy_guard flag insufficiently protects against DMA reentrancy issues. This issue could allow a malicious privileged guest user to
- 7.3 High severity
Red Hat JBoss Enterprise Application Platform: Server-Side Request Forgery
A flaw was found in` JwtValidator.resolvePublicKey` in JBoss EAP, where the validator checks jku and sends a HTTP request. During this process, no whitelisting or other filtering behavior is performed on the destination URL address, which may result in a serve
- 7.8 High severity
Red Hat OpenShift Container Platform 4.18: Improper Limitation of a Pathname to a Restricted Directory
A flaw was discovered in the mholt/archiver package. This flaw allows an attacker to create a specially crafted tar file, which, when unpacked, may allow access to restricted files or directories. This issue can allow the creation or overwriting of files with
- 7.8 High severity
Red Hat Enterprise Linux 6 Extended Lifecycle…: Use After Free
A use-after-free vulnerability was found in the ProcRenderAddGlyphs() function of Xorg servers. This issue occurs when AllocateGlyph() is called to store new glyphs sent by the client to the X server, potentially resulting in multiple entries pointing to the s
- 7.3 High severity
Red Hat Enterprise Linux 10: Buffer Over-read
A heap-based buffer over-read vulnerability was found in the X.org server's ProcAppleDRICreatePixmap() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly
- 7.3 High severity
Red Hat Enterprise Linux 6 Extended Lifecycle…: Buffer Over-read
A heap-based buffer over-read vulnerability was found in the X.org server's ProcXIPassiveGrabDevice() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly w
- 7.3 High severity
Red Hat Enterprise Linux 6 Extended Lifecycle…: Buffer Over-read
A heap-based buffer over-read vulnerability was found in the X.org server's ProcXIGetSelectedEvents() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly w
- 7.0 High severity
HawtIO 4.0.0 for Red Hat build of Apache Camel 4: Cleartext Storage of Sensitive Information in an Environment Variable
A vulnerability was found in the quarkus-core component. Quarkus captures local environment variables from the Quarkus namespace during the application's build, therefore, running the resulting application inherits the values captured at build time. Some local
- 10.0 Critical severity
Red Hat Enterprise Linux 10: Embedded Malicious Code
Malicious code was discovered in the upstream tarballs of xz, starting with version 5.6.0. Through a series of complex obfuscations, the liblzma build process extracts a prebuilt object file from a disguised test file existing in the source code, which is then
- 8.8 High severity
Red Hat Enterprise Linux 8: Exposure of Resource to Wrong Sphere
A flaw was found in PCP. The default pmproxy configuration exposes the Redis server backend to the local network, allowing remote command execution with the privileges of the Redis user. This issue can only be exploited when pmproxy is running. By default, pmp
- 7.3 High severity
Red Hat Enterprise Linux 8: Improper Neutralization of Special Elements used in a Command
A flaw was found in Cockpit. Deleting a sosreport with a crafted name via the Cockpit web interface can lead to a command injection vulnerability, resulting in privilege escalation. This issue affects Cockpit versions 270 and newer.
- 7.5 High severity
Red Hat build of Apache Camel 4.4.0 for Spring…: Uncontrolled Resource Consumption
A flaw was found in XNIO. The XNIO NotifierState that can cause a Stack Overflow Exception when the chain of notifier states becomes problematically large can lead to uncontrolled resource management and a possible denial of service (DoS).
- 7.5 High severity
Red Hat Ansible Automation Platform 2.4 for…: Missing Release of Memory after Effective Lifetime
A memory leak flaw was found in Golang in the RSA encrypting/decrypting code, which might lead to a resource exhaustion vulnerability using attacker-controlled inputs. The memory leak happens in github.com/golang-fips/openssl/openssl/rsa.go#L113. The objects
- 8.6 High severity
Red Hat Enterprise Linux 8: Improper Link Resolution Before File Access
A flaw was found in Buildah (and subsequently Podman Build) which allows containers to mount arbitrary locations on the host filesystem into build containers. A malicious Containerfile can use a dummy image with a symbolic link to the root filesystem as a moun
- 7.5 High severity
Red Hat Enterprise Linux 7: Double Free
A double-free vulnerability was found in libdwarf. In a multiply-corrupted DWARF object, libdwarf may try to dealloc(free) an allocation twice, potentially causing unpredictable and various results.
- 7.8 High severity
Red Hat Enterprise Linux 6: Use of Out-of-range Pointer Offset
An out-of-bounds stack write flaw was found in unixODBC on 64-bit architectures where the caller has 4 bytes and callee writes 8 bytes. This issue may go unnoticed on little-endian architectures, while big-endian architectures can be broken.
- 7.8 High severity
Red Hat Enterprise Linux 6 Extended Lifecycle…: Heap-based Buffer Overflow
A heap buffer overflow flaw was found in the DisableDevice function in the X.Org server. This issue may lead to an application crash or, in some circumstances, remote code execution in SSH X11 forwarding environments.
- 7.8 High severity
Red Hat Enterprise Linux 6 Extended Lifecycle…: Heap-based Buffer Overflow
A flaw was found in X.Org server. In the XISendDeviceHierarchyEvent function, it is possible to exceed the allocated array length when certain new device IDs are added to the xXIHierarchyInfo struct. This can trigger a heap buffer overflow condition, which may
- 7.5 High severity
openvswitch: Uncaught Exception
A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled.
- 7.5 High severity
Red Hat build of Apache Camel 4.4.1 for Spring…: Uncontrolled Resource Consumption
A vulnerability was found in Undertow. This vulnerability impacts a server that supports the wildfly-http-client protocol. Whenever a malicious user opens and closes a connection with the HTTP port of the server and then closes the connection immediately, the