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Red Hat
2,560 known vulnerabilities.
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Medium 6.5CVE-2026-105306 Public exploit
Keycloak-services: keycloak-services: token introspection audience bypass via dynamic client registration
A flaw was found in the Dynamic Client Registration flow of the Keycloak identity and access management server. The issue occurs because the registration process fails to filter security-sensitive client attributes when a new client is created. An attacker wi…
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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 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 6.5CVE-2026-85769 Public exploit
Libtpms: libtpms: heap out-of-bounds read in tpm2 state unmarshalling via unchecked block_skip_read() blocksize
A flaw was found in libtpms, a library that provides software TPM 2.0 emulation. When restoring TPM 2.0 state (for example during a virtual machine's power-on or state/migration restore), a malformed state blob can supply an oversized skip-block length that i…
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Medium 5.3CVE-2026-77680 Public exploit
Libsoup3: libsoup: quadratic cpu denial of service in http range coalescing after cve-2025-32907 fix
An algorithmic complexity flaw exists in libsoup's HTTP Range header processing that persists after the CVE-2025-32907 fix. CVE-2025-32907 addressed memory amplification when a client repeated the same range many times in a single Range header. Commit 9bb92f7…
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Medium 4.8CVE-2026-12478 Public exploit
Libsoup: incomplete fix for cve-2026-0716: out-of-bounds read in libsoup websocket frame processing (unmasked path)
The fix for CVE-2026-0716 (commit 6ff7ef0, libsoup 3.6.6) placed the integer overflow guard inside the if (masked) block, leaving unmasked server-to-client frames unprotected. A malicious WebSocket server can send a crafted unmasked frame with a payload lengt…
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Medium 5.3CVE-2026-9794 Public exploit
Keycloak: keycloak: information disclosure via saml ecp endpoint
A flaw was found in Keycloak. A remote, unauthenticated attacker can exploit this vulnerability by sending specially crafted SOAP requests to the SAML ECP (Security Assertion Markup Language Enhanced Client or Proxy) endpoint with varying client IDs. By obser…
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Medium 5.3CVE-2026-1801 Public exploit
Libsoup: libsoup: http request smuggling via malformed chunk headers
A flaw was found in libsoup, an HTTP client/server library. This HTTP Request Smuggling vulnerability arises from non-RFC-compliant parsing in the soup_filter_input_stream_read_line() logic, where libsoup accepts malformed chunk headers, such as lone line fee…
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Medium 5.5CVE-2025-12748 Public exploit
Libvirt: denial of service in xml parsing
A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML…
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Medium 6.6CVE-2025-5915 Public exploit
Libarchive: heap buffer over read in copy_from_lzss_window() at archive_read_support_format_rar.c
A vulnerability has been identified in the libarchive library. This flaw can lead to a heap buffer over-read due to the size of a filter block potentially exceeding the Lempel-Ziv-Storer-Schieber (LZSS) window. This means the library may attempt to read beyon…
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Medium 4.3CVE-2025-4476 Public exploit
Libsoup: null pointer dereference in libsoup may lead to denial of service
A denial-of-service vulnerability has been identified in the libsoup HTTP client library. This flaw can be triggered when a libsoup client receives a 401 (Unauthorized) HTTP response containing a specifically crafted domain parameter within the WWW-Authentica…
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Medium 5.9
Openssh: denial-of-service in openssh
A flaw was found in the OpenSSH package. For each ping packet the SSH server receives, a pong packet is allocated in a memory buffer and stored in a queue of packages. It is only freed when the server/client key exchange has finished. A malicious client may k…
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Medium 6.1CVE-2025-0690 Public exploit
Grub2: read: integer overflow may lead to out-of-bounds write
The read command is used to read the keyboard input from the user, while reads it keeps the input length in a 32-bit integer value which is further used to reallocate the line buffer to accept the next character. During this process, with a line big enough it…
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Medium 6.8CVE-2025-26465 Public exploit
Openssh: machine-in-the-middle attack if verifyhostkeydns is enabled
A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific cond…
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Medium 6.3CVE-2024-9902 Public exploit
Ansible-core: ansible-core user may read/write unauthorized content
A flaw was found in Ansible. The ansible-core `user` module can allow an unprivileged user to silently create or replace the contents of any file on any system path and take ownership of it when a privileged user executes the `user` module against the unprivi…
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Medium 6.1CVE-2024-0406 Public exploit
Mholt/archiver: path traversal vulnerability
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…
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Medium 5.5CVE-2024-1441 Public exploit
Libvirt: off-by-one error in udevlistinterfacesbystatus()
An off-by-one error flaw was found in the udevListInterfacesByStatus() function in libvirt when the number of interfaces exceeds the size of the `names` array. This issue can be reproduced by sending specially crafted data to the libvirt daemon, allowing an u…
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Medium 5.4CVE-2023-6710 Public exploit
Mod_cluster/mod_proxy_cluster: stored cross site scripting
A flaw was found in the mod_proxy_cluster in the Apache server. This issue may allow a malicious user to add a script in the 'alias' parameter in the URL to trigger the stored cross-site scripting (XSS) vulnerability. By adding a script on the alias parameter…
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Medium 5.5CVE-2023-43786 Public exploit
Libx11: stack exhaustion from infinite recursion in putsubimage()
A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition.
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Medium 5.9CVE-2023-4813 Public exploit
Glibc: potential use-after-free in gaih_inet()
A flaw has been identified in glibc. In an uncommon situation, the gaih_inet function may use memory that has been freed, resulting in an application crash. This issue is only exploitable when the getaddrinfo function is called and the hosts database in /etc/…
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Medium 6.5CVE-2023-3338 Public exploit
Crash due to a null pointer dereference in the dn_nsp_send function
A null pointer dereference flaw was found in the Linux kernel's DECnet networking protocol. This issue could allow a remote user to crash the system.
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Medium 6.0CVE-2020-10749 Public exploit
containernetworking/plugins vulnerable to MitM attacks
A vulnerability was found in all versions of containernetworking/plugins before version 0.8.6, that allows malicious containers in Kubernetes clusters to perform man-in-the-middle (MitM) attacks. A malicious container can exploit this flaw by sending rogue IP…
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Medium 4.7CVE-2019-10207 Public exploit
A flaw was found in the Linux kernel's Bluetooth implementation of UART, all versions kernel 3.x.x before 4.18.0 and ke…
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Medium 5.5CVE-2018-1047 Public exploit
Improper Input Validation in org.wildfly:wildfly-undertow
A flaw was found in Wildfly 9.x. A path traversal vulnerability through the org.wildfly.extension.undertow.deployment.ServletResourceManager.getResource method could lead to information disclosure of arbitrary local files.