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
- 7.8 High severity
Red Hat Enterprise Linux 6: Missing Authorization
A flaw was found in abrt. The completeness check introduced to mitigate CVE-2026-54228 and CVE-2026-54229 only verifies that a dump directory contains a "count" element, which an unprivileged user can create. This allows a local attacker to bypass the guard an
- 8.4 High severity
Red Hat Hardened Images: Missing Authorization
A flaw was found in dnf5daemon-server. Unauthenticated D-Bus methods pass caller-controlled URL or .rpm path patterns into a root-privileged cmdline package loader that may store fetched content in a world-readable cache without size limits, or open local path
- 8.8 High severity
Red Hat Satellite 6.16 for RHEL 8: Authorization Bypass Through User-Controlled Key
A flaw was found in Foreman’s Api::V2::PersonalAccessTokensController, where Foreman::Controller::UserAware#find_user resolves the target account using User.find(params[:user_id]) without applying the required parent-user authorization check. An attacker with
- 7.1 High severity
Red Hat Satellite 6.16 for RHEL 8: Authorization Bypass Through User-Controlled Key
A missing authorization check has been found in ConsumerResource.setupOwner() function of consumer registration module in the Candlepin package. The registration method checks permission to create a consumer only when the caller is a user. A consumer that auth
- 7.7 High severity
Red Hat Satellite 6.16 for RHEL 8: Missing Authorization
A flaw was found in Foreman. An authenticated user with view_hosts privileges can retrieve rendered provisioning template content for a host via the hosts template API endpoint, disclosing sensitive data such as the host root password. This is an incomplete fi
- 9.6 Critical severity
Red Hat Satellite 6.16 for RHEL 8: Permissive List of Allowed Inputs
A flaw was found in rubygem-safemode. Compound assignment expressions in sandboxed code are evaluated without mediating method calls through the Jail allow-list. An authenticated attacker who can supply template content can invoke arbitrary no-argument methods
- 7.1 High severity
Red Hat Satellite 6.16 for RHEL 8: Improper Authentication
An improper authentication vulnerability has been found in the task console in the smart_proxy_dynflow package. The console accepts any client certificate signed by the capsule's certificate authority. It does not check the list of servers the capsule trusts.
- 8.8 High severity
Red Hat Enterprise Linux 10: Improper Limitation of a Pathname to a Restricted Directory
A flaw was found in yggdrasil-worker-package-manager. An authenticated attacker can exploit this issue to achieve arbitrary file modification or potential privilege escalation. The vulnerability exists because repository management operations fail to sanitize
- 7.5 High severity
Red Hat Enterprise Linux 10: Out-of-bounds Write
A flaw was found in freeradius. An improper length validation in the EAP-FAST module allows a stack-based buffer overflow during session ticket processing. A remote, unauthenticated attacker can exploit this flaw by sending a specially crafted handshake reques
- 7.5 High severity
Red Hat Enterprise Linux 10: Out-of-bounds Write
A flaw was found in freeradius's Extensible Authentication Protocol Method for Subscriber Identity Module (EAP-SIM) module. When handling authentication requests, the server copies a client-supplied identity into an internal structure without properly checking
- 7.9 High severity
Red Hat Enterprise Linux 10: Exposure of Private Personal Information to an Unauthorized Actor
A flaw was found in the interaction between systemd-gpt-auto-generator and confidential computing guest VM images in OpenShift Sandboxed Containers (confidential peer pods). systemd-gpt-auto-generator automatically discovers and mounts GPT partitions by type G
- 7.3 High severity
Red Hat Enterprise Linux 10: Improper Link Resolution Before File Access
A flaw was found in Cockpit. A local authenticated user with control over a target account's home directory can exploit a privileged symlink dereference vulnerability in the `ssh-add-public-key.sh` helper. When this helper runs with elevated privileges, it can
- 7.5 High severity
Red Hat Enterprise Linux 10: Allocation of Resources Without Limits or Throttling
A flaw was found in Cockpit. This vulnerability allows a remote attacker, without prior authentication, to send specially crafted fragmented WebSocket messages. These messages accumulate without a total-size limit, leading to unbounded memory exhaustion and a
- 7.3 High severity
pappl-retrofit: Improper Limitation of a Pathname to a Restricted Directory
A flaw was found in pappl-retrofit. The application fails to properly sanitize user-supplied filenames when handling the upload and deletion of PostScript Printer Description (PPD) files. A remote, unauthenticated attacker can exploit this directory traversal
- 7.8 High severity
Red Hat Enterprise Linux 10: Improper Neutralization of Special Elements used in an OS Command
A flaw was found in the xfs_admin utility in xfsprogs. The tool does not properly validate user-supplied parameters, allowing operating system command injection. A local attacker can exploit this issue by providing crafted input arguments, which may result in
- 9.9 Critical severity
quay: Improper Neutralization of Special Elements used in an SQL Command
A flaw was found in Quay where the robot account listing function constructs a SQL LIKE pattern from user-controlled namespace names without escaping wildcard metacharacters. An attacker who creates a namespace containing an underscore character can match and
- 9.8 Critical severity
quay: Improper Validation of Specified Type of Input
A flaw was found in Red Hat Quay. An unauthenticated client can obtain an anonymous registry token with an audience it controls, present that token to the service key rotation endpoint, and install its own approved signing key with no expiry. Registry tokens s
- 7.6 High severity
Red Hat Enterprise Linux 6: Out-of-bounds Write
A flaw was found in BusyBox. The udhcpc6 DHCPv6 client does not properly validate the size of network options sent by a server before copying them into memory. A malicious DHCPv6 server on the local network can exploit this flaw by sending a crafted reply, tri
- 7.5 High severity
Red Hat Enterprise Linux 6: Out-of-bounds Write
A flaw was found in BusyBox. When the httpd web server processes subdirectory configuration files, an overly long index page name can trigger a stack-based buffer overflow. An attacker with permissions to write to a subdirectory configuration file could exploi
- 7.5 High severity
Red Hat Enterprise Linux 6: Out-of-bounds Write
A flaw was found in BusyBox. When the TFTP (Trivial File Transfer Protocol) client requests a custom small block size and receives a standard response, it falls back to the default block size without resizing the allocated memory buffer. A malicious TFTP serve
- 7.5 High severity
Red Hat Edge Manager 1: Use of Blocking Code in Single-threaded, Non-blocking Context
A flaw was found in flightctl. A TLS handshake is performed synchronously in the HTTP server’s connection-context callback without a deadline. A network-reachable unauthenticated client can stall the handshake and prevent the affected listener from accepting n
- 7.5 High severity
Red Hat Enterprise Linux 6: Out-of-bounds Write
A flaw was found in BusyBox. When resuming a download over File Transfer Protocol (FTP), the wget utility fails to verify that the resume offset does not exceed the file size reported by the server, resulting in an integer calculation error. A malicious FTP se
- 7.5 High severity
Red Hat Enterprise Linux 10: Out-of-bounds Read
A flaw was found in GStreamer's gst-plugins-base RTCP SDES packet parser. A remote sender able to reach an active media session can supply a malformed SDES entry whose declared length exceeds the received packet. Missing bounds validation can cause the receive
- 7.1 High severity
Red Hat Enterprise Linux 10: Out-of-bounds Write
A flaw was found in GStreamer's MXF demuxer. When an application processes a crafted MXF file, an off-by-one bounds check can allow a one-byte write past the logical end of a temporal offset array. This may corrupt memory and cause the application to crash. Th
- 7.5 High severity
Red Hat Enterprise Linux 10: Use After Free
A use-after-free flaw was found in GStreamer core buffer value deserialization. When serialized buffer text contains an invalid character, an error path frees a mapped buffer before unmapping it. Applications that parse untrusted caps or structure data can rea
- 8.8 High severity
Red Hat JBoss Enterprise Application Platform…: Privilege Defined With Unsafe Actions
A flaw was found in the deployment-operation family of WildFly Core. Certain handlers, such as upload-deployment-url, lack proper sensitivity classification, allowing an administrator with the restricted "Maintainer" role to read sensitive configuration files.
- 7.5 High severity
Red Hat Enterprise Linux 10: Incorrect Behavior Order: Early Amplification
decode_sequence_of() in lib/krb5/asn.1/asn1_encode.c in MIT Kerberos 5 (aka krb5) 1.11 and later grows the decoded element array one entry at a time, which allows remote attackers to cause a denial of service (CPU consumption in the KDC) by sending an unauthen
- 7.5 High severity
Red Hat Enterprise Linux 10: Missing Release of Resource after Effective Lifetime
The AUTH_GSSAPI handler in lib/rpc/svc_auth_gssapi.c in MIT Kerberos 5 (aka krb5) 1.5.2 and later allows remote attackers to cause a denial of service (memory exhaustion in kadmind) by sending repeated failed AUTH_GSSAPI_INIT requests. Each failed request allo
- 7.5 High severity
Red Hat Enterprise Linux 10: Allocation of Resources Without Limits or Throttling
clean_client() in lib/rpc/svc_auth_gssapi.c in MIT Kerberos 5 (aka krb5) restarts its scan from the head of the client list after each removal, resulting in quadratic CPU cost. Remote attackers can cause a denial of service (CPU consumption in kadmind) by accu
- 7.5 High severity
Red Hat Enterprise Linux 10: Missing Release of Resource after Effective Lifetime
The AUTH_GSSAPI handler in lib/rpc/svc_auth_gssapi.c in MIT Kerberos 5 (aka krb5) does not free decoded arguments on certain error paths, which allows remote attackers to cause a denial of service (memory exhaustion in kadmind) via crafted AUTH_GSSAPI_INIT req
- 7.5 High severity
Red Hat Enterprise Linux 10: Missing Release of Resource after Effective Lifetime
The GSS-RPC transport layer in MIT Kerberos 5 (aka krb5) 1.4 and later does not release the previous authentication context when a client switches from an RPCSEC_GSS or AUTH_GSSAPI flavor to a non-GSS flavor on the same TCP connection. This allows remote attac
- 7.5 High severity
Red Hat Enterprise Linux 10: Missing Release of Resource after Effective Lifetime
clnttcp_call() in lib/rpc/clnt_tcp.c in MIT Kerberos 5 (aka krb5) does not free the RPC reply verifier between retries, which allows remote attackers to cause a denial of service (memory leak in GSS-RPC client programs) by injecting RPC replies with mismatched
- 8.3 High severity
Assisted Installer for Red Hat OpenShift…: Missing Authentication for Critical Functionality
During ABI bootstrap, the bootstrap node's approve-csr.service approves and signs every CSR without identity validation. An attacker on the install network can retrieve the unauthenticated Ignition file (ports 22623/22624), extract a limited kubeconfig, submit
- 8.2 High severity
Red Hat Enterprise Linux 10: Out-of-bounds Read
A flaw was found in GStreamer's gst-plugins-good, specifically in the H.264 RTP depayloader element. When processing MTAP16 or MTAP24 multi-time aggregation RTP packets, a signed/unsigned integer conversion error causes the remaining-length counter to underflo
- 7.5 High severity
Red Hat Enterprise Linux 10: External Control of File Name or Path
A flaw was found in GStreamer's adaptive streaming demuxers (HLS, DASH, MSS). When processing a media playlist or manifest, URIs referenced in the manifest content are fetched without restricting which URI schemes are permitted. An attacker who controls a mani
- 9.1 Critical severity
Red Hat Build of Keycloak: Improper Control of Generation of Code
A flaw was found in the Keycloak server's client management component. When a client is created or imported with authorization services enabled, the system fails to properly clear an internal session attribute used during the setup process. This allows an auth
- 8.8 High severity
Builds for Red Hat OpenShift: Missing Authorization
A flaw was found in OpenShift Pipelines-as-Code (PAC). PAC does not verify whether the creator of a Repository custom resource has permission to create PipelineRuns. A namespace user with only Repository and Secret create/delete permissions can cause PAC to ex
- 9.1 Critical severity
Red Hat OpenShift AI (RHOAI): Inclusion of Functionality from Untrusted Control Sphere
A flaw was found in distributed-workloads. A remote attacker could exploit a vulnerability in the pull_request_target workflow by submitting a specially crafted pull request. This workflow processes untrusted code from the pull request author while operating w
- 7.1 High severity
Red Hat build of Keycloak 26.4: Improper Authentication
A flaw was found in the protocol mapper and identity resolution components of Keycloak. The issue occurs when a client manager uses hardcoded-claim mappers to override identity claims in sessionless service-account tokens. Because these tokens lack a session I
- 8.8 High severity
Red Hat build of Keycloak 26.4.17: Improper Authentication
A flaw was found in the idp-auto-link authenticator of the keycloak-services component, which handles user identity federation. The issue occurs when Keycloak automatically links an incoming identity from an external provider to an existing local account based