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CVE-2026-104030

Sssd: sssd: denial of service via out-of-bounds read during passkey parsing

A flaw was found in sssd. This vulnerability allows a local user to cause a Denial of Service (DoS) by submitting a specially crafted passkey authentication token that lacks null terminators. The authentication service reads past the end of the provided memory buffer, causing the process to crash and disrupting authentication services.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Fedoraproject Redhat Sssd
Products
Sssd Enterprise Linux Openshift and 3 more
CVE-2026-103641

Gegl: gegl04: gegl: out-of-bounds read in the radiance hdr uncompressed scanline decoder

A flaw was found in GEGL. The Radiance HDR loader reads past the end of a memory-mapped image when an uncompressed scanline is shorter than the width declared in the file header. Opening a crafted HDR file crashes the application that uses the loader.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Gegl Redhat
Products
Gegl Enterprise Linux Rhel Els
CVE-2026-103399

Libsoup: soupserver: http/1 request smuggling via undrained expect: 100-continue body

A flaw was found in SoupServer (libsoup). When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final (non-1xx) response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-alive connection, those leftover bytes are interpreted as a subsequent HTTP request. A remote, unauthenticated attacker can place a complete HTTP request in the body and cause SoupServer to process that smuggled request, leading to unintended request handling.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Rhel Els
CVE-2026-10805

Networkmanager: networkmanager: local privilege escalation via malformed mud urls in dhclient backend

A flaw was found in NetworkManager. This local privilege escalation vulnerability exists in NetworkManager's dhclient backend when processing malformed Manufacturer Usage Description (MUD) URLs. A local user can exploit this flaw to escalate privileges by triggering a script via a crafted MUD URL, provided an administrator has explicitly configured NetworkManager to use dhclient. This issue does not affect default configurations of NetworkManager.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Hummingbird Jboss Enterprise Application Platform Expansion Pack and 12 more
CVE-2025-47712

Nbd: nbdkit: integer overflow triggers an assertion resulting in denial of service

A flaw exists in the nbdkit "blocksize" filter that can be triggered by a specific type of client request. When a client requests block status information for a very large data range, exceeding a certain limit, it causes an internal error in the nbdkit, leading to a denial of service.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Nbdkit Project Redhat
Products
Nbdkit Advanced Virtualization Enterprise Linux and 2 more
CVE-2025-47711

Nbdkit: nbdkit-server: off-by-one error when processing block status may lead to a denial of service

There's a flaw in the nbdkit server when handling responses from its plugins regarding the status of data blocks. If a client makes a specific request for a very large data range, and a plugin responds with an even larger single block, the nbdkit server can encounter a critical internal error, leading to a denial-of-service.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Nbdkit Project Redhat
Products
Nbdkit Advanced Virtualization Enterprise Linux and 2 more
CVE-2025-46421

Libsoup: information disclosure may leads libsoup client sends authorization header to a different host when being redirected by a server

A flaw was found in libsoup. When libsoup clients encounter an HTTP redirect, they mistakenly send the HTTP Authorization header to the new host that the redirection points to. This allows the new host to impersonate the user to the original host that issued the redirect.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Rhel Aus Rhel E4s and 3 more
CVE-2025-46420

Libsoup: memory leak on soup_header_parse_quality_list() via soup-headers.c

A flaw was found in libsoup. It is vulnerable to memory leaks in the soup_header_parse_quality_list() function when parsing a quality list that contains elements with all zeroes.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Rhel Aus Rhel E4s and 3 more
CVE-2025-46400

Xfig: fig2dev segmentation fault in read_arcobject

In xfig diagramming tool, a segmentation fault while running fig2dev allows an attacker to availability via local input manipulation via read_arcobject function.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Fig2dev Project Redhat
Products
Fig2dev Enterprise Linux Rhel Els
CVE-2025-46397

Xfig: xfig: stack-overflow allows possible code execution via local input manipulation

A flaw was found in xfig. This vulnerability allows possible code execution via local input manipulation via bezier_spline function.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Fig2dev Project Redhat
Products
Fig2dev Enterprise Linux Rhel Els and 1 more
CVE-2025-4877

Libssh: write beyond bounds in binary to base64 conversion functions

There's a vulnerability in the libssh package where when a libssh consumer passes in an unexpectedly large input buffer to ssh_get_fingerprint_hash() function. In such cases the bin_to_base64() function can experience an integer overflow leading to a memory under allocation, when that happens it's possible that the program perform out of bounds write leading to a heap corruption. This issue affects only 32-bits builds of libssh.

CVSS 3.1 · 4.5 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Openshift Rhel Els
CVE-2025-4598

Systemd-coredump: race condition that allows a local attacker to crash a suid program and gain read access to the resulting core dump

A vulnerability was found in systemd-coredump. This flaw allows an attacker to force a SUID process to crash and replace it with a non-SUID binary to access the original's privileged process coredump, allowing the attacker to read sensitive data, such as /etc/shadow content, loaded by the original process. A SUID binary or process has a special type of permission, which allows the process to run with the file owner's permissions, regardless of the user executing the binary. This allows the process to access more restricted data than unprivileged users or processes would be able to. An attacker can leverage this flaw by forcing a SUID process to crash and force the Linux kernel to recycle the process PID before systemd-coredump can analyze the /proc/pid/auxv file. If the attacker wins the race condition, they gain access to the original's SUID process coredump file. They can read sensitive content loaded into memory by the original binary, affecting data confidentiality.

CVSS 3.1 · 4.7 Medium EPSS 1.3% KEV · Not listed
Vendors
Debian Linux Oracle and 2 more
Products
Debian Linux Linux Kernel Linux and 8 more
CVE-2025-4574

Crossbeam-channel: crossbeam-channel vulnerable to double free on drop

In crossbeam-channel rust crate, the internal `Channel` type's `Drop` method has a race condition which could, in some circumstances, lead to a double-free that could result in memory corruption.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Directory Server Enterprise Linux Openshift and 5 more
CVE-2025-4432

Ring: some aes functions may panic when overflow checking is enabled in ring

A flaw was found in Rust's Ring package. A panic may be triggered when overflow checking is enabled. In the QUIC protocol, this flaw allows an attacker to induce this panic by sending a specially crafted packet. It will likely occur unintentionally in 1 out of every 2**32 packets sent or received.

CVSS 3.1 · 5.3 Medium EPSS 1.0% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Openshift Rhel Els and 3 more
CVE-2025-4382

Grub2: grub allow access to encrypted device through cli once root device is unlocked via tpm

A flaw was found in systems utilizing LUKS-encrypted disks with GRUB configured for TPM-based auto-decryption. When GRUB is set to automatically decrypt disks using keys stored in the TPM, it reads the decryption key into system memory. If an attacker with physical access can corrupt the underlying filesystem superblock, GRUB will fail to locate a valid filesystem and enter rescue mode. At this point, the disk is already decrypted, and the decryption key remains loaded in system memory. This scenario may allow an attacker with physical access to access the unencrypted data without any further authentication, thereby compromising data confidentiality. Furthermore, the ability to force this state through filesystem corruption also presents a data integrity concern.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Openshift Rhel Els
CVE-2025-4373

Glib: buffer underflow on glib through glib/gstring.c via function g_string_insert_unichar

A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Insights Proxy Openshift Distributed Tracing and 6 more
CVE-2025-54771

Grub2: use-after-free in grub_file_close()

A use-after-free vulnerability has been identified in the GNU GRUB (Grand Unified Bootloader). The flaw occurs because the file-closing process incorrectly retains a memory pointer, leaving an invalid reference to a file system structure. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Openshift Rhel Els
CVE-2025-54770

Grub2: use-after-free in net_set_vlan

A vulnerability has been identified in the GRUB2 bootloader's network module that poses an immediate Denial of Service (DoS) risk. This flaw is a Use-after-Free issue, caused because the net_set_vlan command is not properly unregistered when the network module is unloaded from memory. An attacker who can execute this command can force the system to access memory locations that are no longer valid. Successful exploitation leads directly to system instability, which can result in a complete crash and halt system availability

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Openshift Rhel Els