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Search Results (2135 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-5260 | 2 Gnu, Redhat | 17 Gnutls, Cert Manager, Discovery and 14 more | 2026-11-05 | 8.2 High |
| A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS#11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure. | ||||
| CVE-2026-34956 | 1 Redhat | 8 Enterprise Linux, Fast Datapath, Openshift and 5 more | 2026-11-05 | 5.9 Medium |
| A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in a Denial of Service (DoS) for the affected system. | ||||
| CVE-2026-3442 | 2 Gnu, Redhat | 6 Binutils, Enterprise Linux, Hummingbird and 3 more | 2026-11-05 | 6.1 Medium |
| A flaw was found in GNU Binutils. This vulnerability, a heap-based buffer overflow, specifically an out-of-bounds read, exists in the bfd linker component. An attacker could exploit this by convincing a user to process a specially crafted malicious XCOFF object file. Successful exploitation may lead to the disclosure of sensitive information or cause the application to crash, resulting in an application level denial of service. | ||||
| CVE-2026-3441 | 2 Gnu, Redhat | 6 Binutils, Enterprise Linux, Hummingbird and 3 more | 2026-11-05 | 6.1 Medium |
| A flaw was found in GNU Binutils. This heap-based buffer overflow vulnerability, specifically an out-of-bounds read in the bfd linker, allows an attacker to gain access to sensitive information. By convincing a user to process a specially crafted XCOFF object file, an attacker can trigger this flaw, potentially leading to information disclosure or an application level denial of service. | ||||
| CVE-2026-19730 | 2 Podman-container-tools, Redhat | 13 Podman, Ansible Automation Platform, Container Native Virtualization and 10 more | 2026-11-05 | 4.2 Medium |
| The 'podman quadlet install --replace' command opens the existing destination file with O_CREATE|O_WRONLY but omits O_TRUNC. When the initial reflink copy attempt fails (common on non-reflink-capable filesystems including many RHEL default XFS configurations), the fallback in ReflinkOrCopy uses io.Copy which performs a non-truncating write. If the original Quadlet is larger than the new Quadlet, the file is not truncated and content from the original is preserved. The command completes with no warning. There is no risk of information leakage as the user already had access to the Quadlet in order to replace it, and in most cases, this would only lead to invalid Quadlet files. However, security-related options from the end of the old Quadlet could be included in the new Quadlet, and if the truncation resulted in a valid Quadlet file, this could result in undesirable behavior. For example, running podman quadlet install --replace to remove a single line from the end of a Quadlet - including security-sensitive content, like AddCapability - will fail, and the option will continue to be used. Further, with Volume Quadlets, this can include additional mounts which can cause content to be unintentionally exposed into containers. If, later, the image is updated then compromised content might be leaked to an attacker. The vulnerable code paths are in pkg/domain/infra/abi/quadlet.go (lines 338-360, O_CREATE|O_WRONLY without O_TRUNC) and vendor/go.podman.io/storage/pkg/fileutils/reflink_linux.go (lines 12-19, non-truncating io.Copy fallback). | ||||
| CVE-2026-19617 | 1 Redhat | 6 Enterprise Linux, Hardened Images, Hummingbird and 3 more | 2026-11-05 | 5.5 Medium |
| A flaw was found in libdm. A local attacker could craft a malicious Logical Volume Manager (LVM) metadata configuration with deeply nested structures. This could lead to uncontrolled recursion in the libdm configuration file parser, exhausting the stack and causing any LVM command reading the metadata to crash. This vulnerability results in a Denial of Service (DoS) for affected systems. | ||||
| CVE-2026-19079 | 1 Redhat | 7 Enterprise Linux, Hardened Images, Hummingbird and 4 more | 2026-11-05 | 4.4 Medium |
| A TOCTOU (Time-of-Check-Time-of-Use) race condition vulnerability was found in the fixfiles script in policycoreutils. When running fixfiles relabel or fixfiles restore, the script used find and chcon commands to locate and relabel unlabeled files under /tmp and other directories. A local attacker could exploit a race window between the file discovery and the label change operation by swapping directory components with symlinks, causing chcon to follow the symlink and modify SELinux labels on arbitrary system files. This could undermine SELinux mandatory access control protections on critical files such as /etc/shadow. | ||||
| CVE-2026-18508 | 2 Gnu, Redhat | 9 Tar, Discovery, Enterprise Linux and 6 more | 2026-11-05 | 4.4 Medium |
| A flaw was found in GNU tar. When extracting an archive with the --one-top-level option, hardlink targets are not confined to the designated top-level directory and may resolve relative to the extraction working directory. A crafted archive can create hardlinks that escape the intended boundary and, when combined with a preexisting symbolic link under the working directory, may allow writing outside that boundary during a single extraction. | ||||
| CVE-2026-18477 | 2 Gnu, Redhat | 9 Tar, Discovery, Enterprise Linux and 6 more | 2026-11-05 | 4.4 Medium |
| A TOCTOU (Time-of-Check Time-of-Use) vulnerability in GNU tar's incremental dumpdir 'X' rename handling allows a local attacker with write access to a directory being backed up to influence the restore process if the attacker has access to the system where the restore is being performed. During restoration, files or directories may be created, renamed or overwritten outside the intended extraction directory. This could lead to unauthorized file modification or, in some cases, privilege escalation. Exploitation does not require the attacker to modify or craft the archive, and standard backup and restore workflows—including extracting into a newly created directory without using the -P option do not mitigate the issue. | ||||
| CVE-2026-18107 | 1 Redhat | 4 Enterprise Linux, Openshift, Openshift Container Platform and 1 more | 2026-11-05 | 7.8 High |
| A flaw was found in CRIU's handling of restartable sequences (rseq) during checkpoint/restore. A malicious process inside a container can register an rseq critical section that hijacks CRIU's parasite code injection during checkpoint, allowing it to spoof the process credentials saved in the checkpoint image. On restore, the container process gains elevated capabilities and zeroed UIDs/GIDs. The practical impact on Red Hat products is limited by several factors: checkpoint/restore requires root privileges (podman) or cluster-admin RBAC (OpenShift) to trigger and cannot be initiated from within the container itself; on OpenShift prior to 4.17 the feature required explicit opt-in, and on 4.17+ the kubelet checkpoint API RBAC is not configured by default; OpenShift enforces user namespaces by default for regular workloads (hostUsers is gated behind admin-only SCCs), which makes the spoofed capabilities namespace-scoped and ineffective for privilege escalation; SELinux type enforcement (container_t) blocks privilege transitions independently of capabilities; seccomp filters persist through checkpoint/restore and cannot be corrupted via the parasite; and kernel mount namespace ownership checks on RHEL 9/10 kernels prevent mount-based container escape even with spoofed capabilities. | ||||
| CVE-2026-16730 | 1 Redhat | 6 Enterprise Linux, Hardened Images, Hummingbird and 3 more | 2026-11-05 | 5.5 Medium |
| A flaw was found in dbus-broker. When the process file-descriptor limit is reached, EMFILE/ENFILE errors during peer setup (notably SO_PEERPIDFD) are handled as fatal failures, causing the broker to exit. A local attacker who can open many connections to the user session bus can trigger this and deny service to the desktop session. Flatpak applications can reach the host session bus through the dbus proxy. | ||||
| CVE-2026-2100 | 2 P11-kit Project, Redhat | 14 P11-kit, Cert-manager Operator, Cert Manager and 11 more | 2026-11-05 | 5.3 Medium |
| A flaw was found in p11-kit. A remote attacker could exploit this vulnerability by calling the C_DeriveKey function on a remote token with specific IBM kyber or IBM btc derive mechanism parameters set to NULL. This could lead to the RPC-client attempting to return an uninitialized value, potentially resulting in a NULL dereference or undefined behavior. This issue may cause an application level denial of service or other unpredictable system states. | ||||
| CVE-2026-120831 | 1 Redhat | 2 Enterprise Linux, Openshift | 2026-11-05 | 6.5 Medium |
| A flaw was found in libslirp in if_output(). When moving a session from the fast queue to the batch queue, the code unlinked and reinserted an arbitrary packet via ifm->m_nextpkt instead of the session queue head, corrupting queue pointers. A guest generating burst traffic could crash the host networking process, causing a denial of service. | ||||
| CVE-2026-107912 | 1 Redhat | 10 Apicurio Registry, Build Keycloak, Camel Quarkus and 7 more | 2026-11-05 | 7.7 High |
| A flaw was found in the management interface of the Quarkus framework, specifically within the quarkus-vertx-http component. The issue occurs when the framework incorrectly combines the management root path with specific permission rules, leading to a situation where security policies are applied to the wrong internal paths. As a result, an attacker can bypass intended authorization checks and gain unauthorized access to sensitive management endpoints. | ||||
| CVE-2025-6021 | 2 Redhat, Xmlsoft | 30 Discovery, Enterprise Linux, Enterprise Linux Eus and 27 more | 2026-11-05 | 7.5 High |
| A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input. | ||||
| CVE-2025-5987 | 2 Libssh, Redhat | 7 Libssh, Enterprise Linux, Enterprise Linux Eus and 4 more | 2026-11-05 | 8.1 High |
| A flaw was found in libssh when using the ChaCha20 cipher with the OpenSSL library. If an attacker manages to exhaust the heap space, this error is not detected and may lead to libssh using a partially initialized cipher context. This occurs because the OpenSSL error code returned aliases with the SSH_OK code, resulting in libssh not properly detecting the error returned by the OpenSSL library. This issue can lead to undefined behavior, including compromised data confidentiality and integrity or crashes. | ||||
| CVE-2026-12725 | 3 Dnsmasq, Redhat, Thekelleys | 6 Dnsmasq, Enterprise Linux, Openshift and 3 more | 2026-11-05 | 5.9 Medium |
| A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and query logging are both enabled, logging of DS or DNSKEY replies containing unsupported algorithm or digest types can cause dnsmasq to write past the end of an internal logging buffer. A remote attacker able to supply such a DNS response may crash the dnsmasq process, resulting in denial of service. | ||||
| CVE-2026-16277 | 1 Redhat | 3 Enterprise Linux, Openshift, Openshift Container Platform | 2026-11-05 | 6.5 Medium |
| A stack-based buffer overflow was found in rpcbind's rpcinfo utility. When querying a remote rpcbind service with `rpcinfo -l`, address information returned by the server is copied into a fixed-size buffer without sufficient bounds checking. A malicious or compromised rpcbind server could use this flaw to crash the rpcinfo client, resulting in a denial of service. The highest threat from this vulnerability is to system availability. | ||||
| CVE-2026-15813 | 1 Redhat | 3 Enterprise Linux, Openshift, Openshift Container Platform | 2026-11-05 | 6.5 Medium |
| A vulnerability was found in the network packet de-fragmentation engine of kronosnet (Version affected <= 1.34). The internal reassembly code does not properly validate sequence numbers of incoming payload fragments. An attacker can exploit this lack of verification by transmitting malformed packets with corrupted sequence parameters. Under specific conditions, this forces the packet processing layer to parse data outside the designated bounds of the internal memory structures, causing an out-of-bounds memory access or heap corruption. This behavior can result in sudden application crashes or system instability. | ||||
| CVE-2026-14476 | 2 Redhat, Sssd | 11 Enterprise Linux, Enterprise Linux Eus, Openshift and 8 more | 2026-11-05 | 8 High |
| A path traversal flaw was found in SSSD's AD GPO provider. The ad_gpo_extract_smb_components() function does not sanitize .. sequences in the gPCFileSysPath LDAP attribute, allowing an attacker with AD GPO management access to write files outside the GPO cache directory as root. On default RHEL configurations with SELinux enforcing, this can be used to inject Kerberos configuration leading to authentication bypass. | ||||