Vendor
Red Hat
2,622 known vulnerabilities.
Products
2,622 results · Feed
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High 7.5
Gnome-remote-desktop: gnome-remote-desktop: unauthenticated rdp sockets lack a handshake deadline
A denial-of-service flaw was found in gnome-remote-desktop. An unauthenticated remote attacker can open RDP connections without completing the handshake and retain the connection-throttling slots indefinitely because no pre-authentication handshake deadline i…
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Medium 5.0
Automation-controller: automation-controller-container: automation-controller: jobjobeventschildrensummary rbac bypass exposes cross-tenant job event tree structure
JobJobEventsChildrenSummary view has no model/parent_model. ModelAccessPermission.check_get_permissions() falls through (returns True) for any authenticated user. The view uses raw get_object_or_404(Job, pk) without DRF object-level permission check. Zero-pri…
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Medium 5.0
Automation-controller: automation-controller-container: automation-controller: named-url 404 body oracle enables cross-tenant resource name enumeration
URLModificationMiddleware resolves named-URL lookups against unfiltered Model.objects before RBAC. The 403→404 shim only rewrites 403 responses, leaving the pk=0 miss path with a different 404 detail string. Differential "Not found." vs "No <Model> matches...…
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Medium 5.3
Busybox: busybox: tls ssl_server reads one byte out of bounds when parsing truncated clienthello
BusyBox TLS get_client_hello() reads past the end of the input buffer when parsing a truncated ClientHello message.
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Medium 6.7
Busybox: busybox: passwd/group parser writes heap pointers out of bounds due to stale tokenize() endpoint
BusyBox passwd/group tokenize() references a stale endpoint pointer after trimming, causing an out-of-bounds write of heap pointers.
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Medium 6.5
Busybox: busybox: httpd misidentifies yescrypt password hashes as plaintext, inverting authentication
BusyBox httpd treats yescrypt ($y$) password hashes as plaintext during Basic Authentication, inverting the authentication check.
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Medium 6.1
Busybox: busybox: dpkg read_package_field() steps past nul terminator, causing out-of-bounds read on malformed .deb packages
BusyBox dpkg read_package_field() steps past a NUL terminator on malformed .deb packages, causing an out-of-bounds heap read.
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Medium 5.3
Busybox: busybox: httpd silently fails open when ip deny rules contain invalid cidr prefix lengths
BusyBox httpd IP deny rules with invalid CIDR prefix lengths fail open, leaving a parsed IP with a zeroed mask so the rule matches no clients.
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High 7.3
Busybox: busybox: romfs volume id parsing performs unbounded memcpy into fixed-size label buffer, causing heap overflow
BusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images.
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High 7.5
Busybox: busybox: tls montgomery reduction allocates bytes instead of digits, causing a pre-auth heap buffer overflow
A unit confusion in BusyBox TLS Montgomery reduction buffer allocation causes a pre-authentication heap buffer overflow when processing a crafted ClientKeyExchange message.
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Medium 6.5
Flatpak: flatpak: arbitrary write in host context via flatpak build-init
If a malicious SDK container declares an extension point with a crafted `directory` path, and a developer runs `flatpak build-init --writable-sdk --sdk-extension` with that SDK, attacker-chosen files could be written outside the working directory, since the t…
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High 8.8
Flatpak: flatpak: arbitrary write access as root via extra-data extraction
A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extract_extra_data(). On system installs, the write happens as root. Two issues combine: `files/extra` is resolved via path o…
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High 7.8CVE-2026-96512 Public exploit
Sudo: sudo: tz environment variable allows bypass of notbefore/notafter time-based authorization
A flaw was found in sudo. When sudoers rules use NOTBEFORE or NOTAFTER time-based access restrictions with timestamps that omit the trailing 'Z' timezone indicator, the time evaluation relies on the TZ environment variable inherited from the calling user. Bec…
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Medium 6.8
Keycloak-services: keycloak-services: conditional otp skip-header policy evaluated against untrusted proxy headers
A flaw was found in the Conditional OTP authenticator of Keycloak, an identity and access management solution. The issue occurs when the system evaluates specific HTTP headers to determine if a one-time password (OTP) should be skipped, but fails to verify if…
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Medium 4.2
Keycloak-services: keycloak-services: par single-use bypass via prompt=none silent authentication path
A flaw was found in the Pushed Authorization Request PAR implementation of Keycloak. The issue occurs when the silent authentication path prompt=none is used, which allows the authorization process to skip certain steps if a user is already logged in. Due to …
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High 7.8
Emacs: emacs: arbitrary code execution in flymake mode
A code execution flaw was found in Emacs, affecting versions prior to 31.2. The Flymake mode using language backends other than Lisp would execute arbitrary code from the edited file while performing syntax checking. Viewing or editing untrusted files using E…
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Medium 5.4
Sssd: sssd: fail-open in ldap ppolicy access check allows continued authorization
A flaw was found in SSSD. When configured with the LDAP access provider and `ldap_access_order` including `ppolicy` or `lockout`, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly retu…
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High 7.5
Rpcbind: unbounded memory allocation in rpcbind statistics tracking allows unauthenticated remote denial of service
A flaw was found in rpcbind. This vulnerability allows a remote, unauthenticated attacker to cause a Denial of Service (DoS) by sending a large number of unique requests. The rpcbind service records previously unseen RPC (Remote Procedure Call) statistics in …
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High 7.7
Gcc: libstdc++ integer overflow in `new` operator
A flaw was found in libstdc++. An integer overflow can occur when processing large inputs to the aligned operator new in the C++ library. This vulnerability could lead to an undersized memory allocation, potentially causing memory corruption or application in…
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High 7.4
Libslirp: libslirp: heap buffer overflow in dhcpv6/tftp response builders on small interface mtu
A heap-based buffer overflow was found in the DHCPv6 and TFTP response builders of libslirp. When the host is configured with a small interface MTU, a guest-supplied DHCPv6 CLIENTID option or TFTP blksize option can overflow the reply buffer with attacker-con…
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Medium 6.8
Keycloak-services: keycloak-services: potential kdc spoofing bypass when kerberos password authentication is enabled
A flaw was found in the Kerberos federation provider of Keycloak, an open-source identity and access management solution. When Kerberos password authentication is used without SPNEGO, the system fails to verify the identity of the Key Distribution Center (KDC…
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Medium 5.5
Libstoragemgmt: libstoragemgmt: denial of service via stack buffer overflow in scsi vpd page parsing
A flaw was found in libstoragemgmt. An attacker with control over a local or virtual storage device could provide specially crafted SCSI (Small Computer System Interface) Vital Product Data (VPD) page 0x80 data. This malformed data, specifically an untrusted …
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Medium 4.1
Usbredir: usbredir: unbounded iso_packet_desc[] index in usbredirhost_iso_packet() leads to heap out-of-bounds write
An out-of-bounds write flaw was found in usbredir. Starting an isochronous OUT stream with a transfer count of 1 leaves the stream's single transfer buffer permanently unsubmitted, defeating the bounds check in usbredirhost_iso_packet() and allowing a usbredi…
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High 7.5
Quarkus-smallrye-fault-tolerance: quarkus-smallrye-fault-tolerance: memory leak in @applyguard leads to denial of service
A flaw was found in the SmallRye Fault Tolerance library, which is used by Quarkus to provide strategies like retries and circuit breakers for microservices. The issue occurs when using the ApplyGuard or ApplyFaultTolerance annotations, where the library fail…
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Medium 5.3
Fetchmail: fetchmail: stack-based buffer overflow in ntlm authentication (fetchmail-sa-2026-01)
A stack-based buffer overflow flaw was found in fetchmail when built with NTLM support. A malicious or compromised mail server advertising NTLM authentication can send a crafted Type 2 challenge that causes fetchmail to write past a fixed stack buffer while b…
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High 8.1
Pki-core: dogtag pki v2 rest acl filter's reverse-lexicographic tie-break lets a ca agent invoke the admin-only raw profile creation endpoint
A flaw was found in pki-core. The v2 REST ACL filter selects a tie-breaking permission for colliding literal and wildcard ACL keys using lexicographic string comparison rather than specificity, causing a wildcard-mapped permission to override a more specific …
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High 7.4
Openshift/oc-mirror: release signature verification: openpgp signatureerror checked before signed body is consumed
A flaw was found in openshift/oc-mirror. The tool incorrectly verifies PGP (Pretty Good Privacy) release image signatures by checking for signature errors before the entire signed body is processed, leading to a bypass of the signature verification. A remote …
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High 7.1
Noobaa-core: noobaa-core: presigned put url escalation to copyobject via unsigned x-amz-copy-source header
A flaw was found in the signature verification logic of noobaa-core, the core component of the NooBaa Multicloud Object Gateway. The issue occurs when the service processes S3 presigned URLs using Signature Version 4 (SigV4). Due to improper validation, the s…
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High 8.8
Cri-o: cri-o checkpoint restore bypasses destination security context
A vulnerability in CRI-O checkpoint restore allows a user who can create a pod from a malicious checkpointed container to bypass the destination Kubernetes security context. The restored process may retain credentials, Linux capabilities, no_new_privs, and se…
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High 8.0
Cri-o: cri-o: insufficient validation during container checkpoint restore
A vulnerability was found in CRI-O related to the container checkpoint and restore feature. When CRI-O is configured to restore containers from checkpoint archives, insufficient validation of restore metadata may allow a user with sufficient privileges to per…
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Low 3.1
Keycloak-services: keycloak-services: 2fa setup enforcement bypass via authentication session restart endpoint
A flaw was found in the authentication session management of Keycloak, an identity and access management solution. The issue occurs when an administrator enforces a stronger authentication flow, such as mandatory two-factor authentication (2FA) setup, through…
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Low 3.5
Keycloak-services: keycloak-services: uma scope merge across resource owners via resource name collision
A flaw was found in the User-Managed Access (UMA) implementation of Keycloak. The issue occurs in the authorization token endpoint when processing permission tickets. If two different users own resources with the same name, the system incorrectly merges the p…
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Medium 5.5
Keycloak-services: keycloak-services: cross-realm client read/write via request-level cache missing realm ownership check
A flaw was found in the Admin REST API of Keycloak, an open-source identity and access management solution. The issue occurs because the API uses a per-request in-memory cache to resolve clients by their unique identifier without verifying if the client belon…
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Medium 4.9
Keycloak-services: keycloak-services: authorization services policy evaluation endpoint leaks user identity
A flaw was found in the Authorization Services component of Keycloak, an open-source identity and access management solution. The issue occurs in the policy evaluation endpoint, which is used by administrators to test how access policies apply to specific use…
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Medium 6.5
Keycloak-services: keycloak-services: admin credential delete bypasses denied reset-password permission
A flaw was found in the Admin REST API of Keycloak, an open-source identity and access management solution. The endpoint used for deleting user credentials does not correctly check for fine-grained reset-password permissions. This allows a delegated administr…
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Medium 6.6CVE-2026-94000 Public exploit
Keycloak-services: keycloak-services: delegated admin with manage-users can escalate to realm-admin via group membership
A flaw was found in the Admin REST API of Keycloak, an open-source identity and access management solution. The issue occurs in the group-membership endpoints where the system fails to check if a group grants administrative privileges before allowing a user t…
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Medium 4.2
Keycloak-services: keycloak-services: token refresh continues issuing tokens for disabled audience clients
A flaw was found in the OIDC protocol implementation of Keycloak, an open-source identity and access management solution. The issue occurs during the token refresh process when the server restores requested audiences from stored client IDs. Keycloak fails to …
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Critical 9.3
Openshift/console: openshift/console: unauthenticated ssrf and resource exhaustion via devfile parser endpoint
A flaw was found in the OpenShift console. Unauthenticated access to the `/api/devfile/` and `/api/devfile/samples/` endpoints allows a remote attacker to send crafted devfile payloads. This can lead to Server-Side Request Forgery (SSRF), where the console po…
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Medium 6.5
Io.netty/netty-codec-http: netty: incomplete validation of malformed transfer-encoding allows http request smuggling
A flaw was found in Netty's HTTP/1 decoder. Incomplete validation of malformed Transfer-Encoding headers allows a remote attacker to perform HTTP request smuggling. By sending specially crafted HTTP requests, an attacker can inject arbitrary HTTP requests, po…
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Medium 6.5
Io.netty/netty-codec-http: netty: http request smuggling via post-digit whitespace in chunk-size parsing
A flaw was found in Netty's `netty-codec-http` component. A remote attacker could exploit this vulnerability by sending a specially crafted HTTP/1.1 chunk-size token that includes post-digit whitespace. This incorrect parsing of the chunk size can lead to HTT…