Red Hat vulnerabilities
Published CVEs affecting Red Hat products: 1650 record(s), with severity, exploitation and fixes.
Red Hat Enterprise Linux 9 692Red Hat Enterprise Linux 10 620Red Hat Enterprise Linux 8 614Enterprise Linux 374Red Hat Enterprise Linux 7 335Red Hat OpenShift Container Platform 4 232Hardened Images 175Red Hat Enterprise Linux 9.6 Extended Update Support 160Build Of Keycloak 158Red Hat Enterprise Linux 10.0 Extended Update Support 153Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 150Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 141Red Hat Enterprise Linux 8.8 Telecommunications Update Service 141Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 139Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 126Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 118Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions 116Red Hat Enterprise Linux 6 115Openshift Container Platform 109Red Hat Enterprise Linux 7 Extended Lifecycle Support 104Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On 102Enterprise Linux Server 101Enterprise Linux Workstation 98Enterprise Linux Desktop 96Red Hat build of Keycloak 26.4 86Enterprise Linux Eus 79Enterprise Linux Server Aus 79Red Hat build of Keycloak 26.6 67Red Hat OpenShift AI 3.4 62Red Hat OpenShift Container Platform 4.16 59Red Hat OpenShift Container Platform 4.18 59Red Hat Enterprise Linux 9.4 Extended Update Support 59Red Hat OpenShift Container Platform 4.15 58Red Hat OpenShift Container Platform 4.17 57Red Hat OpenShift Container Platform 4.14 57Red Hat Single Sign-On 7 56Red Hat Update Infrastructure 5 54Enterprise Linux Server Tus 53Red Hat OpenShift Container Platform 4.19 52Red Hat OpenShift Container Platform 4.13 50
CVE-2026-0965
Low · 3.3
CWE-73 Mar 26, 2026
Libssh: libssh: denial of service via improper configuration file handling
A flaw was found in libssh where it can attempt to open arbitrary files during configuration parsing. A local attacker can exploit this by providing a malicious configuration file or when the system is misconfigured. This vulnerability could lead to a Denial of Service (DoS) by causing the system to try and access dangerous files, such as block devices or large system files, which can disrupt normal operations.
CVE-2026-0964
Medium · 6.3
CWE-22 Mar 26, 2026
Libssh: improper sanitation of paths received from scp servers
A malicious SCP server can send unexpected paths that could make the
client application override local files outside of working directory.
This could be misused to create malicious executable or configuration
files and make the user execute them under specific consequences.
This is the same issue as in OpenSSH, tracked as CVE-2019-6111.
CVE-2026-2436
High · 8.2
CWE-825 Mar 26, 2026
Libsoup: libsoup: denial of service via use-after-free in soupserver during tls handshake
A flaw was found in libsoup's SoupServer. A remote attacker could exploit a use-after-free vulnerability where the `soup_server_disconnect()` function frees connection objects prematurely, even if a TLS handshake is still pending. If the handshake completes after the connection object has been freed, a dangling pointer is accessed, leading to a server crash and a Denial of Service.
CVE-2026-3190
Medium · 4.3
CWE-280 Mar 26, 2026
Keycloak: keycloak: information disclosure via improper role enforcement in uma 2.0 protection api
A flaw was found in Keycloak. The User-Managed Access (UMA) 2.0 Protection API endpoint for permission tickets fails to enforce the `uma_protection` role check. This allows any authenticated user with a token issued for a resource server client, even without the `uma_protection` role, to enumerate all permission tickets in the system. This vulnerability partial leads to information disclosure.
CVE-2026-3121
High · 7.2
CWE-266 Mar 26, 2026
Keycloak: org.keycloak/keycloak-services: keycloak: privilege escalation via manage-clients permission
A flaw was found in Keycloak. An administrator with `manage-clients` permission can exploit a misconfiguration where this permission is equivalent to `manage-permissions`. This allows the administrator to escalate privileges and gain control over roles, users, or other administrative functions within the realm. This privilege escalation can occur when admin permissions are enabled at the realm level.
CVE-2026-4897
Medium · 5.5
CWE-770 Mar 26, 2026
Polkit: polkit: denial of service via unbounded input processing through standard input
A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the `polkit-agent-helper-1` setuid binary via standard input (stdin). This unbounded input can lead to an out-of-memory (OOM) condition, resulting in a Denial of Service (DoS) for the system.
CVE-2026-4887
High · 7.1
CWE-193 Mar 26, 2026
Gimp: gimp:memory disclosure and denial of service via specially crafted pcx image
A flaw was found in GIMP. This issue is a heap buffer over-read in GIMP PCX file loader due to an off-by-one error. A remote attacker could exploit this by convincing a user to open a specially crafted PCX image. Successful exploitation could lead to out-of-bounds memory disclosure and a possible application crash, resulting in a Denial of Service (DoS).
CVE-2026-1961
High · 8.8
CWE-78 Mar 26, 2026
Forman: foreman: remote code execution via command injection in websocket proxy
A flaw was found in Foreman. A remote attacker could exploit a command injection vulnerability in Foreman's WebSocket proxy implementation. This vulnerability arises from the system's use of unsanitized hostname values from compute resource providers when constructing shell commands. By operating a malicious compute resource server, an attacker could achieve remote code execution on the Foreman server when a user accesses VM VNC console functionality. This could lead to the compromise of sensitive credentials and the entire managed infrastructure.
CVE-2026-4874
Low · 3.1
CWE-918 Mar 26, 2026
Org.keycloak.protocol.oidc.grants: org.keycloak.services.managers: keycloak: server-side request forgery via oidc token endpoint manipulation
A flaw was found in Keycloak. An authenticated attacker can perform Server-Side Request Forgery (SSRF) by manipulating the `client_session_host` parameter during refresh token requests. This occurs when a Keycloak client is configured to use the `backchannel.logout.url` with the `application.session.host` placeholder. Successful exploitation allows the attacker to make HTTP requests from the Keycloak server’s network context, potentially probing internal networks or internal APIs, leading to information disclosure.
CVE-2026-4775
High · 7.8
CWE-190 Mar 24, 2026
Libtiff: libtiff: arbitrary code execution or denial of service via signed integer overflow in tiff file processing
A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerability in the putcontig8bitYCbCr44tile function by providing a specially crafted TIFF file. This flaw can lead to an out-of-bounds heap write due to incorrect memory pointer calculations, potentially causing a denial of service (application crash) or arbitrary code execution.
CVE-2026-1940
High · 7.5
CWE-125 Mar 23, 2026
Gstreamer: incomplete fix of cve-2026-1940
An incomplete fix for CVE-2024-47778 allows an out-of-bounds read in gst_wavparse_adtl_chunk() function. The patch added a size validation check lsize + 8 > size, but it does not account for the GST_ROUND_UP_2(lsize) used in the actual offset calculation. When lsize is an odd number, the parser advances more bytes than validated, causing OOB read.
CVE-2026-4647
Medium · 6.1
CWE-125 Mar 23, 2026
Binutils: out-of-bounds read in xcoff relocation processing in gnu binutils bfd library
A flaw was found in the GNU Binutils BFD library, a widely used component for handling binary files such as object files and executables. The issue occurs when processing specially crafted XCOFF object files, where a relocation type value is not properly validated before being used. This can cause the program to read memory outside of intended bounds. As a result, affected tools may crash or expose unintended memory contents, leading to denial-of-service or limited information disclosure risks.
CVE-2026-4633
Low · 3.7
CWE-209 Mar 23, 2026
Keycloak: keycloak: user enumeration via differential error messages
A flaw was found in Keycloak. A remote attacker can exploit differential error messages during the identity-first login flow when Organizations are enabled. This vulnerability allows an attacker to determine the existence of users, leading to information disclosure through user enumeration.
CVE-2026-4628
Medium · 4.3
CWE-284 Mar 23, 2026
Keycloak: org.keycloak.authorization: keycloak: unauthorized resource modification due to improper access control
A flaw was found in Keycloak. An improper Access Control vulnerability in Keycloak’s User-Managed Access (UMA) resource_set endpoint allows attackers with valid credentials to bypass the allowRemoteResourceManagement=false restriction. This occurs due to incomplete enforcement of access control checks on PUT operations to the resource_set endpoint. This issue enables unauthorized modification of protected resources, impacting data integrity.
CVE-2026-23536
High · 7.5
Public exploit CWE-22 Mar 20, 2026
Feast: unauthenticated arbitrary file read
A security issue was discovered in the Feast Feature Server's `/read-document` endpoint that allows an unauthenticated remote attacker to read any file accessible to the server process. By sending a specially crafted HTTP POST request, an attacker can bypass intended access restrictions to potentially retrieve sensitive system files, application configurations, and credentials.
CVE-2026-4426
Medium · 6.5
CWE-1335 Mar 19, 2026
Libarchive: libarchive: denial of service via malformed iso file processing
A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field (`pz_log2_bs`) read from ISO9660 Rock Ridge extensions. A remote attacker can exploit this by supplying a specially crafted ISO file. This can lead to incorrect memory allocation and potential application crashes, resulting in a denial-of-service (DoS) condition.
CVE-2026-4424
High · 7.5
CWE-125 Mar 19, 2026
Libarchive: libarchive: information disclosure via heap out-of-bounds read in rar archive processing
A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR archive, leading to the disclosure of sensitive heap memory information without requiring authentication or user interaction.
CVE-2026-2369
Critical · 9.1
CWE-191 Mar 19, 2026
Libsoup: libsoup: buffer overread due to integer underflow when handling zero-length resources
A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an application level denial of service.
CVE-2026-4366
Medium · 5.8
CWE-918 Mar 18, 2026
Keycloak-services: blind server-side request forgery (ssrf) via http redirect handling in keycloak
A flaw was identified in Keycloak, an identity and access management solution, where it improperly follows HTTP redirects when processing certain client configuration requests. This behavior allows an attacker to trick the server into making unintended requests to internal or restricted resources. As a result, sensitive internal services such as cloud metadata endpoints could be accessed. This issue may lead to information disclosure and enable attackers to map internal network infrastructure.
CVE-2026-2575
Medium · 5.3
CWE-409 Mar 18, 2026
Keycloak: keycloak: denial of service due to excessive samlrequest decompression
A flaw was found in Keycloak. An unauthenticated remote attacker can trigger an application level Denial of Service (DoS) by sending a highly compressed SAMLRequest through the SAML Redirect Binding. The server fails to enforce size limits during DEFLATE decompression, leading to an OutOfMemoryError (OOM) and subsequent process termination. This vulnerability allows an attacker to disrupt the availability of the service.
CVE-2026-2603
High · 8.1
CWE-306 Mar 17, 2026
Keycloak: keycloak: unauthorized authentication via disabled saml identity provider
A flaw was found in Keycloak. A remote attacker could bypass security controls by sending a valid SAML response from an external Identity Provider (IdP) to the Keycloak SAML endpoint for IdP-initiated broker logins. This allows the attacker to complete broker logins even when the SAML Identity Provider is disabled, leading to unauthorized authentication.
CVE-2026-2092
High · 7.7
CWE-1287 Mar 17, 2026
Keycloak-services: keycloak: unauthorized access via improper validation of encrypted saml assertions
A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language (SAML) broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. This allows the attacker to inject an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.
CVE-2026-4324
Medium · 5.4
CWE-89 Mar 17, 2026
Rubygem-katello: katello: denial of service and potential information disclosure via sql injection
A flaw was found in the Katello plugin for Red Hat Satellite. This vulnerability, caused by improper sanitization of user-provided input, allows a remote attacker to inject arbitrary SQL commands into the sort_by parameter of the /api/hosts/bootc_images API endpoint. This can lead to a Denial of Service (DoS) by triggering database errors, and potentially enable Boolean-based Blind SQL injection, which could allow an attacker to extract sensitive information from the database.
CVE-2026-4271
High · 7.5
CWE-416 Mar 17, 2026
Libsoup: libsoup: denial of service via use-after-free in http/2 server
A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can exploit this by sending specially crafted HTTP/2 requests that cause authentication failures. This can lead to the application attempting to access memory that has already been freed, potentially causing application instability or crashes, resulting in a Denial of Service (DoS).
CVE-2026-3634
Medium · 6.5
CWE-93 Mar 17, 2026
Libsoup: libsoup: http header injection and response splitting via crlf injection in content-type header
A flaw was found in libsoup. An attacker controlling the value used to set the Content-Type header can inject a Carriage Return Line Feed (CRLF) sequence due to improper input sanitization in the `soup_message_headers_set_content_type()` function. This vulnerability allows for the injection of arbitrary header-value pairs, potentially leading to HTTP header injection and response splitting attacks.