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CVE-2026-114691

Gcc: integer wrap in `std

A flaw was found in the libstdc++ component of GCC. An attacker who can provide an excessively large element count to a boolean vector (std::vector<bool>) constructor can trigger an integer wrap during internal memory calculations. This issue leaves the container in an inconsistent state, leading to out-of-bounds memory access and resulting in an application crash or a Denial of Service (DoS) during subsequent operations.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Gcc Red Hat Redhat
Products
Gcc Enterprise Linux Enterprise Linux and 6 more
CVE-2026-114690

Gcc: confirmed out-of-bounds read/write in libstdc++ parallel `std

A flaw was found in GCC. An out-of-bounds memory access vulnerability exists in the libstdc++ parallel search implementation due to an undersized internal buffer. A local attacker can exploit this flaw by providing crafted search data to an application compiled with parallel mode, causing the process to crash and leading to a Denial of Service (DoS).

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Vendors
Gcc Red Hat Redhat
Products
Gcc Enterprise Linux Enterprise Linux and 6 more
CVE-2025-13327

Uv: uv: specially crafted zip archives lead to arbitrary code execution due to parsing differentials

A flaw was found in uv. This vulnerability allows an attacker to execute malicious code during package resolution or installation via specially crafted ZIP (Zipped Information Package) archives that exploit parsing differentials, requiring user interaction to install an attacker-controlled package.

CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Vendors
Astral Redhat
Products
Uv Ai Inference Server Openshift Ai
CVE-2026-107174

Source-to-image: source-to-image: security boundary bypass via absolute symbolic link extraction

A flaw was found in source-to-image. When unpacking archive files, the application fails to properly sanitize symbolic links pointing to absolute file paths. An attacker who supplies a malicious builder image can exploit this vulnerability by embedding links pointing outside the extraction directory. This allows the attacker to bypass sandbox boundaries, potentially leading to unauthorized information disclosure or file modification on the host system.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Openshift Openshift Container Platform Openshift Serverless and 4 more
CVE-2026-119079

Krb5: mit krb5 kdc unauthenticated cpu dos via quadratic asn.1 sequence of decoding

decode_sequence_of() in lib/krb5/asn.1/asn1_encode.c in MIT Kerberos 5 (aka krb5) 1.11 and later grows the decoded element array one entry at a time, which allows remote attackers to cause a denial of service (CPU consumption in the KDC) by sending an unauthenticated AS-REQ or TGS-REQ with a large number of elements in a SEQUENCE OF field over TCP.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Enterprise Linux Eus and 4 more
CVE-2026-75092

Leapp-repository: leapp-upgrade-el9toel10: leapp-upgrade-el9toel10: scan_mysql runs mysqld --validate-config as root and can load mysql-writable plugins

A privilege escalation flaw was found in the scan_mysql actor of leapp-upgrade-el9toel10 (provided by leapp-repository). During RHEL 9 to RHEL 10 upgrades, the actor runs: mysqld --validate-config --log-error-verbosity=2 directly as root in the Leapp actor context, bypassing the packaged MySQL systemd unit that normally starts the daemon as User=mysql. A process compromised as the mysql OS identity can write a version-2 persisted configuration (mysqld-auto.cnf) and a malicious shared object into /var/lib/mysql (a directory owned by mysql). That persisted map can set plugin_dir to /var/lib/mysql and early_plugin_load (or related loader options such as plugin_load / plugin_load_add) so MySQL loads the attacker-controlled object during configuration validation. Plugin loading can reach dlopen() before MySQL’s runtime-user check and before plugin-symbol validation. When an administrator subsequently runs the documented Leapp preupgrade or upgrade workflow, attacker-controlled code can execute as UID 0 with a full capability set in an unconfined SELinux domain (unconfined_t). The attack does not require write access to the default system plugin path under /usr; redirecting plugin_dir via mysql-owned persisted state is sufficient. Ordinary SQL privileges alone (including highly privileged SQL accounts) are not a sufficient startpoint — OS-level execution as the mysql service identity is required, plus later administrator invocation of Leapp.

CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Red Hat Enterprise Linux 9.6 Extended Update Support Red Hat Openstack Platform 17.1 and 3 more
CVE-2026-112322

Krb5: mit krb5 kadmind unauthenticated cpu dos via auth_gssapi client states cleanup

clean_client() in lib/rpc/svc_auth_gssapi.c in MIT Kerberos 5 (aka krb5) restarts its scan from the head of the client list after each removal, resulting in quadratic CPU cost. Remote attackers can cause a denial of service (CPU consumption in kadmind) by accumulating a large number of AUTH_GSSAPI client entries.

CVSS 3.1 · 7.5 High EPSS 1.0% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Enterprise Linux Eus and 4 more
CVE-2026-112323

Krb5: mit krb5 kadmind unauthenticated memory exhaustion via failed auth_gssapi_init requests

The AUTH_GSSAPI handler in lib/rpc/svc_auth_gssapi.c in MIT Kerberos 5 (aka krb5) 1.5.2 and later allows remote attackers to cause a denial of service (memory exhaustion in kadmind) by sending repeated failed AUTH_GSSAPI_INIT requests. Each failed request allocates client state that is only freed after a 15-minute expiration timeout, allowing an attacker to accumulate memory faster than it is reclaimed.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Enterprise Linux Eus and 4 more
CVE-2026-112321

Krb5: mit krb5 kadmind unauthenticated memory leak dos via auth_gssapi_init error paths

The AUTH_GSSAPI handler in lib/rpc/svc_auth_gssapi.c in MIT Kerberos 5 (aka krb5) does not free decoded arguments on certain error paths, which allows remote attackers to cause a denial of service (memory exhaustion in kadmind) via crafted AUTH_GSSAPI_INIT requests that trigger authentication failures.

CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Enterprise Linux Eus and 4 more
CVE-2026-112320

Krb5: mit krb5 kadmind unauthenticated memory leak dos via gss-rpc auth flavor switching

The GSS-RPC transport layer in MIT Kerberos 5 (aka krb5) 1.4 and later does not release the previous authentication context when a client switches from an RPCSEC_GSS or AUTH_GSSAPI flavor to a non-GSS flavor on the same TCP connection. This allows remote attackers to cause a denial of service (memory exhaustion in kadmind) by repeatedly establishing and abandoning GSS authentication contexts.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Enterprise Linux Eus and 4 more
CVE-2026-112319

Krb5: mit krb5 kadmind authenticated memory exhaustion dos via unbounded rpc xdr allocation

The GSS-RPC layer in MIT Kerberos 5 (aka krb5) does not enforce size limits on XDR-decoded data, which allows remote authenticated users to cause a denial of service (memory exhaustion or excessive CPU consumption in kadmind) via crafted RPC requests that trigger unbounded memory allocations during XDR decoding.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Enterprise Linux Eus and 4 more
CVE-2026-112317

Krb5: mit krb5 kdc unauthenticated memory leak dos in kdb keytab key decryption error path

krb5_ktkdb_get_entry() in lib/kdb/keytab.c in MIT Kerberos 5 (aka krb5) 1.2.8 and later does not free decrypted key material when a post-decryption check fails, which allows remote attackers to cause a denial of service (memory leak in the KDC or kadmind) via requests that repeatedly trigger key decryption failures.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Enterprise Linux Eus and 4 more
CVE-2026-112318

Krb5: mit krb5 kadmind authenticated dos exploiting dereference of null policy name pointers

The policy RPC stubs in kadmin/server/server_stubs.c in MIT Kerberos 5 (aka krb5) 1.5.3 and later do not reject a NULL policy name decoded by xdr_nullstring(), which allows remote authenticated users to cause a denial of service (kadmind crash via NULL pointer dereference) by sending a policy request with an empty policy name that reaches authorization checks or logging code.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Enterprise Linux Eus and 4 more
CVE-2026-112316

Krb5: mit krb5 kadmind authenticated memory leak dos in xdr_krb5_tl_data() decode failure

xdr_krb5_tl_data() in lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) does not free partially decoded data on failure, which allows remote authenticated users to cause a denial of service (memory leak in kadmind) via crafted RPC requests that trigger a decode failure.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Enterprise Linux Eus and 4 more
CVE-2026-112315

Krb5: mit krb5 kadmind unauthenticated memory leak dos in rpcsec_gss buffer decode failure

The RPCSEC_GSS authentication routines in lib/rpc/authgss_prot.c in MIT Kerberos 5 (aka krb5) 1.4 and later do not free partially decoded buffers on failure, which allows remote attackers to cause a denial of service (memory leak in kadmind) via crafted RPCSEC_GSS messages.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Enterprise Linux Eus and 4 more
CVE-2026-10609

Openshift/cluster-logging-operator: cluster logging operator creates and forwards serviceaccount tokens without verifying clf creator authorization

A missing authorization flaw was found in the OpenShift Cluster Logging Operator. The operator creates and forwards ServiceAccount tokens to output destinations without verifying that the ClusterLogForwarder creator has permission to use those credentials, allowing a delegated editor to exfiltrate SA tokens and escalate privileges.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Cluster Logging Operator Logging Logging Subsystem For Red Hat Openshift
CVE-2026-92615

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 go-git's process-global client.Protocols map via gitclient.InstallProtocol("https", ...). Because the worker renders devices for multiple organizations concurrently from a shared goroutine pool, whichever tenant's repository configuration is written last wins for all in-flight git.Clone calls. This race condition can cause one tenant's TLS settings, including InsecureSkipVerify or mTLS client credentials, to leak into another tenant's git operations.

CVSS 3.1 · 6.6 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Acm Advanced Cluster Management For Kubernetes Edge Manager and 1 more
CVE-2026-13732

Gdb: gdb: out-of-bounds write in stabs parser read_member_functions() via crafted elf

A flaw was found in GDB's STABS debug format parser. The read_member_functions() function in gdb/stabsread.c contains a linked list removal bug in the code that separates destructor and non-destructor member functions of C++ classes. The bug causes the destructor entries to remain in the main function list while the list length counter is decremented, resulting in an out-of-bounds write when the function list is copied to its final allocated array. An attacker can craft an ELF binary with malicious .stab and .stabstr sections that triggers this out-of-bounds write when a user opens the file in GDB and performs any symbol-inspection operation such as setting a breakpoint. The inferior process does not need to be executed. Under controlled conditions, this was demonstrated to achieve execution of arbitrary commands within the GDB process.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Cost Management On Premise Enterprise Linux Enterprise Linux Eus and 10 more
CVE-2026-127101

Sssd: sssd: null pointer dereference in pam responder when protocol version negotiation is skipped

A flaw was found in SSSD's PAM responder. A local attacker can send an authentication request without first negotiating the client protocol version. The responder dereferences a NULL protocol-version pointer and crashes, disrupting SSSD-backed authentication. Repeated crafted requests can sustain the denial of service.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat Sssd
Products
Enterprise Linux Enterprise Linux Openshift and 3 more
CVE-2026-128824

Quay: quay: reflected xss via image_id in v1 registry error responses

A flaw was found in Red Hat Quay. The v1 registry API error handler reflects the attacker-supplied image_id path segment in a response served as text/html, allowing a reflected cross-site scripting (XSS) attack. By tricking a user into visiting a specially crafted URL, a remote attacker can execute arbitrary JavaScript in the victim's browser within the Quay origin, potentially compromising the user's session.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Mirror Registry Quay