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Red Hat
2,622 known vulnerabilities.
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Medium 5.9
Io.netty/netty-handler-ssl-ocsp: netty: missing extended key usage (eku) check in ocsp client allows certificate revocation bypass
A flaw was found in Netty's Online Certificate Status Protocol (OCSP) Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage (EKU) in OCSP responder certificates. A remote attacker, holding any valid certificate issued by the same Certi…
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Medium 6.5
Io.netty/netty-codec-memcache: netty: memcache binary codec signed/unsigned type mismatch causes frame desynchronization and response smuggling
A flaw was found in io.netty/netty-codec-memcache. The Memcache binary protocol codec incorrectly reads `keyLength` and `extrasLength` as signed Java types instead of unsigned, as specified by the protocol. A malicious Memcache server can exploit this type mi…
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Medium 5.9
Io.netty/netty-handler-ssl-ocsp: netty: ocsp validation silently skipped when a response omits the optional nextupdate field
A flaw was found in Netty's `netty-handler-ssl-ocsp` component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol (OCSP) response that omits the optional `nextUpdate` field. This omission causes the OCSP valid…
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Medium 5.5
Libxml2: libxml2: null pointer dereference parsing nextcatalog without catalog attribute
A flaw was found in libxml2. A local user or an attacker providing a specially crafted XML catalog can trigger a NULL pointer dereference during XML catalog parsing. This occurs when a `nextCatalog` element lacks its mandatory `catalog` attribute, leading to …
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Medium 5.3
Smallrye-jwt: quarkus-smallrye-jwt: smallrye-jwt: unauthenticated same-origin ssrf via unsanitized jwt kid header in awsalbkeyresolver
A flaw was found in SmallRye JWT's AwsAlbKeyResolver, which is used by applications to verify JSON Web Tokens signed by AWS Application Load Balancers. When the AWS_ALB key provider is configured, the resolver constructs the key-fetch URL by directly concaten…
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Medium 4.3
Rubygem-foreman_remote_execution: job output readable without object-level view_job_invocations check
A flaw was found in the foreman_remote_execution plugin's template invocations controller. The show_template_invocation_by_host action resolves the job invocation by ID without evaluating the caller's view_job_invocations permission filter against the record.…
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Medium 4.3
Rubygem-foreman_ansible: ansible inventory api ignores view_hosts permission filters, exposes hidden parameters
A flaw was found in the foreman_ansible plugin's Ansible inventory API. The controller builds its host query using an unscoped Host.where call that does not enforce the search filter associated with the caller's view_hosts permission. An authenticated user wh…
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Medium 4.3
Rubygem-foreman_ansible: unscoped lookupvalue deletion allows cross-model override value destruction
A flaw was found in the foreman_ansible plugin's Ansible override values API. The destroy action resolves the target LookupValue record by ID without verifying it belongs to an AnsibleVariable the caller is authorized to edit. An authenticated user with the e…
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Medium 5.3CVE-2026-19607 Public exploit
Keycloak-services: keycloak-services: broker-originated username collision causes account lockout
A flaw was found in the first-broker-login flow of the keycloak-services component. This component handles the initial authentication and account linking when a user logs in via an external identity provider. The issue allows an attacker to register a matchin…
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Medium 6.6
Flightctl: flightctl: package-global go-git https transport mutated per-repo -- cross-tenant tls-config bleed
A flaw was found in flightctl. The configureRepoHTTPSClient() function in the device-render worker builds a per-repository tls.Config (which may include InsecureSkipVerify, a custom CA bundle, or tenant-supplied mTLS client certificates) and installs it into …
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Medium 5.9
Jwcrypto: jwcrypto: denial of service via o(n^2) duplicate check on unbounded jwk key_ops array
A flaw was found in jwcrypto. The JWK.import_key() function validates the key_ops JWK member for duplicate values using an algorithm with O(n^2) time complexity, and the length of key_ops is not bounded. A remote, unauthenticated attacker can supply a JWK wit…
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Medium 6.4
Keycloak-services: keycloak-services: residual cross-browser account-link proof allows silent re-linking
A flaw was found in the first broker login flow of Keycloak. When a user confirms an account-linking request from a different browser, a temporary proof is created to validate the link. However, this proof is not properly cleared after the link is established…
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Medium 5.5
Podman: arbitrary file write when importing oci archive
A flaw was found in Podman. If an attacker can pass a crafted tar archive to the `podman load` command, they can create files on the host machine with the privileges of the user running Podman.
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Medium 4.4
Podman: buildah: skopeo: containers/storage: malicious tar whiteout header allows replacement of extraction destination directory
A flaw was found in the containers/storage library. A crafted tar archive containing a malicious whiteout header (e.g. victim/.wh.) can cause the extraction destination directory to be replaced with an arbitrary file when processed by storage/pkg/archive.Unpa…
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Medium 4.5
Podman: buildah: buildah/copier: directory escape via crafted tar symlinks when used outside buildah by non-root callers
A flaw was found in the buildah/copier Go package. When used outside of Buildah by a non-root caller, a crafted tar archive containing malicious symlinks can escape the target extraction directory and create files outside the intended destination. Buildah its…
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Medium 6.1
Gnome-shell: gnome-shell: out-of-bounds read in remote search icon rendering due to unvalidated icon-data buffer size
A flaw was found in GNOME Shell. When processing icons from a remote search provider via D-Bus, the system fails to validate the icon's declared dimensions against the actual data buffer size. A malicious or compromised remote search provider could exploit th…
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Medium 5.5
Hawtio-operator: hawtio-operator: tls private key written to operator log at debug level
A flaw was found in hawtio-operator. When a custom Route TLS secret is configured and the operator runs at debug log level 1 or higher, the entire Route object — including the TLS private key in PEM format — is serialized to JSON and written to the operator's…
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Medium 6.3
Hawtio-operator: hawtio-operator: routes/custom-host confused-deputy via spec.routehostname
A flaw was found in hawtio-operator. The operator holds routes/custom-host:create permission cluster-wide and writes the tenant-supplied spec.routeHostName value from the Hawtio custom resource directly into the Route spec without validation or authorization …
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Medium 4.0
Sssd: sssd: denial of service in nss responder via crafted zero-length requests
A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services (NSS) responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable…
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Medium 5.5
Sssd: sssd: local denial of service due to null pointer dereference in pam responder
A flaw was found in SSSD (System Security Services Daemon). A local attacker with privileges to connect to the PAM (Pluggable Authentication Modules) responder socket can send a specially crafted protocol request. If the `pam_app_services` configuration is en…
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Medium 4.0
Sssd: sssd: denial of service via malformed pam v1 requests
A flaw was found in sssd, specifically within the PAM (Pluggable Authentication Modules) responder's protocol v1 parser, pam_parse_in_data(). A local client with access to the PAM responder's UNIX socket can exploit this by negotiating protocol v1 and sending…
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Medium 4.0
Sssd: local oob read in nss service request parsers (`sss_nss_protocol_parse_svc_name` / `sss_nss_protocol_parse_svc_port`)
A flaw was found in the sssd NSS responder. This input validation vulnerability allows a local attacker, by sending specially crafted service lookup requests to the NSS responder's UNIX socket, to cause an out-of-bounds read. This out-of-bounds read may lead …
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Medium 6.2
Device-mapper-multipath: local denial of service via blocking ipc send operations
A flaw was found in `multipathd`. A local attacker with access to the `multipathd` UNIX control socket can exploit this vulnerability by sending valid commands and then ceasing to read replies. This action can cause the `multipathd` listener thread to block, …
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Medium 6.1
Libtiff: libtiff: heap-buffer overflow via numeric truncation in the jpeg raw passthrough
A flaw was found in libtiff. A heap-buffer overflow vulnerability exists in the `tiff2pdf` utility due to an integer truncation error when processing crafted BigTIFF files. An attacker can provide a specially crafted BigTIFF file, causing a 64-bit `StripByteC…
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Medium 4.9
Keycloak-services: keycloak-services: confidential client secret disclosed to view-clients role via client registration get
A flaw was found in the Dynamic Client Registration service of Keycloak, an open-source identity and access management solution. The issue occurs when a user with the view-clients role accesses the client registration endpoint to retrieve client details. Due …
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Medium 5.5
Libvirt: unsafe chown in qemutpmemulatorpreparehost() allows arbitrary file ownership change via symlink
A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost() function. The function uses a path-based chown() on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile w…
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Medium 4.4
Gstreamer1-plugins-good: gstreamer: integer overflow and out-of-bounds read in qtdemux cea-608 closed-caption parser
A flaw was found in GStreamer's gst-plugins-good isomp4 plugin. When processing a specially crafted MP4 or MOV file containing CEA-608 closed-caption data, an integer overflow in 32-bit unsigned arithmetic can bypass a bounds check in the caption parser. This…
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Medium 6.3
Evolution: evolution: javascript execution via spoofed vcard control bypasses mail script-markup restriction
A flaw was found in Evolution. A remote attacker can exploit this vulnerability by sending a specially crafted HTML email containing a spoofed vCard control. When a victim clicks on this control, Evolution's trusted JavaScript handler incorrectly assigns an a…
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Medium 6.5
Pcs: pcs: non-root haclient users can read arbitrary files via pcs host auth --token
A flaw was found in PCS (Pacemaker Configuration System). A local attacker with membership in the 'haclient' group can exploit the 'pcs host auth --token' command to read the contents of arbitrary files on the filesystem, provided the files are shorter than 2…
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Medium 5.6
Crun: crun: /dev/null symlink follow during stdio reopen allows host bind-mount write and chown
A flaw was found in crun. After pivot_root, reopening /dev/null for stdio can follow a symlink and attach a host file to container stdio, then change that file's ownership. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fre…
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Medium 5.6
Crun: crun: /dev/console symlink follow allows root-owned file creation outside the rootfs
A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29…
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Medium 6.5
Keycloak-services: keycloak-services: device authorization grant issues tokens to brute-force-locked accounts
A flaw was found in the Device Authorization Grant flow of Keycloak, an identity and access management solution. The issue occurs because the token redemption process fails to check if a user account is currently locked due to brute-force protection. If an at…
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Medium 5.9
Skupper-router: skupper-router: unbounded recursion in amqp field parser leads to denial of service
A flaw was found in the skupper-router component of Red Hat Service Interconnect, which is used to provide secure communication between distributed services. The issue occurs when the router processes a specially crafted network message using its AMQP field p…
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Medium 4.3
Cups: openprinting cups: heap out-of-bounds read in cupsutf32toutf8() via missing source-length bound
The cupsUTF32ToUTF8() function in CUPS's cups/transcode.c lacks a source-length bound and can read past the end of the source buffer, resulting in a heap out-of-bounds read. This is reachable via SNMP supply-description parsing in backend/snmp-supplies.c with…
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Medium 6.8
Community.general: community.general: ocapi module_utils (ocapi_command, ocapi_info) hardcode validate_certs=false with no override, enabling tls man-in-the-middle and credential disclosure
A flaw was found in the OCAPI modules (ocapi_command, ocapi_info) of the community.general Ansible collection. The shared OCAPI request helper disables TLS certificate validation on every request and the modules expose no parameter to re-enable it, while send…
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Medium 4.9
Keycloak-services: keycloak-services: incomplete fix for arbitrary filesystem path probing via keystore parameters
A flaw was found in the key provider component of the keycloak-services library, which is the core engine for the Red Hat Build of Keycloak. The issue occurs because a previous fix for path probing was incomplete, allowing a realm administrator to still submi…
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Medium 6.1
Gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted icns rle block
A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to valida…
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Medium 6.8
Gnome-tweaks: path traversal in theme installer
The shell theme installer in gnome-tweaks extracts user-supplied ZIP archives without validating archive member paths. As a result, a crafted theme archive can write files outside ~/.themes by using ../ path traversal, absolute paths, or symlink entries.
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Medium 5.3
Glib2: toctou symlink race in `g_file_create_replace_destination` fallback path
A flaw was found in GLib2. When g_file_replace() is used with G_FILE_CREATE_REPLACE_DESTINATION and creating the .goutputstream-XXXXXX temporary file fails, the library unlinks the destination and recreates it without exclusive creation or symlink protection.…
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Medium 6.5
Odh-dashboard: odh-dashboard: nim credential secret readable by any authenticated user
A flaw was found in odh-dashboard in Red Hat OpenShift AI. The backend-for-frontend route GET /api/nim-serving/:nimResource reads Kubernetes Secrets using the dashboard service account and returns the full Secret object, including .data, without an authorizat…