CVE-2026-1539

Libsoup: libsoup: credential leakage via http redirects

A flaw was found in the libsoup HTTP library that can cause proxy authentication credentials to be sent to unintended destinations. When handling HTTP redirects, libsoup removes the Authorization header but does not remove the Proxy-Authorization header if the request is redirected to a different host. As a result, sensitive proxy credentials may be leaked to third-party servers. Applications using libsoup for HTTP communication may unintentionally expose proxy authentication data.

CVSS 3.1 · 5.8 Medium EPSS < 1% KEV · Not listed

Vendors

Gnome Redhat

Products

Libsoup Enterprise Linux Rhel Els

CVE-2026-1536

Libsoup: libsoup: http header injection or response splitting via crlf injection in content-disposition header

A flaw was found in libsoup. An attacker who can control the input for the Content-Disposition header can inject CRLF (Carriage Return Line Feed) sequences into the header value. These sequences are then interpreted verbatim when the HTTP request or response is constructed, allowing arbitrary HTTP headers to be injected. This vulnerability can lead to HTTP header injection or HTTP response splitting without requiring authentication or user interaction.

CVSS 3.1 · 5.8 Medium EPSS < 1% KEV · Not listed

Vendors

Gnome Redhat

Products

Libsoup Enterprise Linux Rhel Els

CVE-2026-1467

Libsoup: libsoup: http header injection via specially crafted urls when an http proxy is configured

A flaw was found in libsoup, an HTTP client library. This vulnerability, known as CRLF (Carriage Return Line Feed) Injection, occurs when an HTTP proxy is configured and the library improperly handles URL-decoded input used to create the Host header. A remote attacker can exploit this by providing a specially crafted URL containing CRLF sequences, allowing them to inject additional HTTP headers or complete HTTP request bodies. This can lead to unintended or unauthorized HTTP requests being forwarded by the proxy, potentially impacting downstream services.

CVSS 3.1 · 5.8 Medium EPSS < 1% KEV · Not listed

Vendors

Gnome Redhat

Products

Libsoup Enterprise Linux Rhel Els

CVE-2025-66286

Webkitgtk: authorization bypass through webpage::send-request signal handler

An API design flaw in WebKitGTK and WPE WebKit allows untrusted web content to unexpectedly perform IP connections, DNS lookups, and HTTP requests. Applications expect to use the WebPage::send-request signal handler to approve or reject all network requests. However, certain types of HTTP requests bypass this signal handler.

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed

Vendors

Redhat

Products

Enterprise Linux Rhel Els

CVE-2025-61664

Grub2: missing unregister call for normal_exit command may lead to use-after-free

A vulnerability in the GRUB2 bootloader has been identified in the normal module. This flaw, a memory Use After Free issue, occurs because the normal_exit command is not properly unregistered when its related module is unloaded. An attacker can exploit this condition by invoking the command after the module has been removed, causing the system to improperly access a previously freed memory location. This leads to a system crash or possible impacts in data confidentiality and integrity.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed

Vendors

Redhat

Products

Enterprise Linux Openshift Rhel Els

CVE-2025-61663

Grub2: missing unregister call for normal commands may lead to use-after-free

A vulnerability has been identified in the GRUB2 bootloader's normal command that poses an immediate Denial of Service (DoS) risk. This flaw is a Use-after-Free issue, caused because the normal command is not properly unregistered when the module is unloaded. 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. Impact on the data integrity and confidentiality is also not discarded.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed

Vendors

Redhat

Products

Enterprise Linux Openshift Rhel Els

CVE-2025-61661

Grub2: grub2: out-of-bounds write via malicious usb device

A vulnerability has been identified in the GRUB (Grand Unified Bootloader) component. This flaw occurs because the bootloader mishandles string conversion when reading information from a USB device, allowing an attacker to exploit inconsistent length values. A local attacker can connect a maliciously configured USB device during the boot sequence to trigger this issue. A successful exploitation may lead GRUB to crash, leading to a Denial of Service. Data corruption may be also possible, although given the complexity of the exploit the impact is most likely limited.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed

Vendors

Redhat

Products

Enterprise Linux Openshift Rhel Els

CVE-2025-6395

Gnutls: null pointer dereference in _gnutls_figure_common_ciphersuite()

A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Redhat

Products

Ceph Storage Discovery Enterprise Linux and 5 more

CVE-2025-6196

Libgepub: integer overflow in libgepub's epub archive handling

A flaw was found in libgepub, a library used to read EPUB files. The software mishandles file size calculations when opening specially crafted EPUB files, leading to incorrect memory allocations. This issue causes the application to crash. Known affected usage includes desktop services like Tumbler, which may process malicious files automatically when browsing directories. While no direct remote attack vectors are confirmed, any application using libgepub to parse user-supplied EPUB content could be vulnerable to a denial of service.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Gnome Redhat

Products

Libgepub Enterprise Linux Rhel Els

CVE-2025-6035

Gimp: gimp integer overflow

A flaw was found in GIMP. An integer overflow vulnerability exists in the GIMP "Despeckle" plug-in. The issue occurs due to unchecked multiplication of image dimensions, such as width, height, and bytes-per-pixel (img_bpp), which can result in allocating insufficient memory and subsequently performing out-of-bounds writes. This issue could lead to heap corruption, a potential denial of service (DoS), or arbitrary code execution in certain scenarios.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed

Vendors

Gimp Redhat

Products

Gimp Enterprise Linux Rhel Els

CVE-2026-115221

Ipa: freeipa: freeipa uses subject cn as proof of certificate ownership

A flaw was found in FreeIPA. An improper authorization check allows an authenticated host to retrieve and revoke digital certificates assigned to other users or services. This issue occurs because FreeIPA verifies ownership solely by matching the host name to the certificate's subject Common Name (CN), without confirming actual ownership in the directory service. Consequently, an enrolled host can disrupt services by revoking certificates belonging to other entities.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed

Vendors

Red Hat Redhat

Products

Enterprise Linux Enterprise Linux Rhel Els

CVE-2026-114038

Device-mapper-multipath: device-mapper-multipath: information disclosure via malformed format string

A flaw was found in device-mapper-multipath. A local user can trigger an out-of-bounds read by sending a command with a format string ending in a trailing percent character to the multipath daemon. This issue can allow the user to expose unintended daemon memory, leading to information disclosure, or cause the daemon to crash, resulting in a Denial of Service (DoS).

CVSS 3.1 · 5.1 Medium EPSS < 1% KEV · Not listed

Vendors

Red Hat Redhat

Products

Enterprise Linux Enterprise Linux Openshift and 2 more

CVE-2026-112259

Gimp: gimp: null pointer dereference in swatchbooker (sbz) palette import

A flaw was found in GIMP. Importing a crafted SBZ palette without a color-model attribute can cause a NULL pointer dereference during string comparison, resulting in denial of service of the GIMP application.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Gimp Redhat

Products

Gimp Enterprise Linux Rhel Els

CVE-2026-112214

Gstreamer1-plugins-ugly-free: gstreamer1-plugins-ugly-free: unbounded memory allocation in asfdemux simple index parser

A flaw was found in the GStreamer ASF demuxer in gst-plugins-ugly. When parsing a Simple Index object, an attacker-controlled entry count is used to size a heap allocation without being limited to the payload available in the object. Processing a crafted ASF, WMV, or WMA file can cause a very large memory allocation request and lead to denial of service if the allocation fails or the process is memory-constrained.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Gstreamer Project Redhat

Products

Gstreamer Plugin Enterprise Linux Rhel Els

CVE-2026-111555

Luksmeta: missing slot-range validation permits out-of-gap device i/o

A flaw was found in luksmeta. Improper boundary validation of metadata slots allows an attacker capable of supplying or modifying a disk header to redirect wipe or load operations outside the intended metadata area. An attacker could exploit this vulnerability by providing a crafted header with valid checksums to overwrite or zero out encrypted payload data, resulting in persistent data loss and corrupted storage. Exploitation typically requires privileged access to modify raw block devices or the ability to induce an administrator to process an untrusted disk image.

CVSS 3.1 · 6 Medium EPSS < 1% KEV · Not listed

Vendors

Luksmeta Redhat

Products

Luksmeta Enterprise Linux Openshift and 2 more

CVE-2026-118593

Kernel: local_bh imbalance in seg6_input_core() drop path (incomplete fix for cve-2026-46099)

A flaw was found in Red Hat Enterprise Linux 9 kernel builds. An incomplete backport of the CVE-2026-46099 fix in RHEL 9.6 through 9.10 left a local_bh imbalance in seg6_input_core(), where the drop path returns with bottom halves still disabled. This can lead to softirq starvation and denial of service on systems with SRv6 tunnels configured. Upstream and RHEL 10 are not affected.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed

Vendors

Red Hat Redhat

Products

Enterprise Linux Enterprise Linux Openshift and 2 more

CVE-2026-117548

389-ds-base: 389-ds-base: null pointer dereference via modifydn using an attribute's schema alias name causes denial of service

A NULL pointer dereference flaw was found in 389-ds-base. This flaw occurs when a ModifyDN (rename) operation uses an attribute's schema alias name (such as "commonName") instead of its canonical name (such as "cn") as the new relative distinguished name. An authenticated attacker with the ModifyDN (rename) permission on the affected entry can use this flaw to crash the directory server, causing a denial of service.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Red Hat Redhat

Products

Enterprise Linux Directory Server Enterprise Linux and 2 more

CVE-2026-116497

Gssproxy: gssproxy: null pointer dereference in gssx_init_sec_context crashes daemon

A NULL pointer dereference vulnerability was found in gssproxy. When a GSSX_INIT_SEC_CONTEXT request is received with the target_name field absent, the daemon dereferences the resulting NULL pointer and crashes. The request requires no authentication, allowing any local user to crash the gssproxy daemon via its Unix socket. The daemon does not automatically restart, resulting in a persistent denial of service that also affects dependent services such as Kerberized NFS and IdM.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Gssproxy Project Red Hat Redhat

Products

Gssproxy Enterprise Linux Enterprise Linux and 3 more

CVE-2026-115486

Open-iscsi: open-iscsi: ipv6 neighbor discovery missing option length validation in iscsiuio allows arp table poisoning

A flaw was found in the iscsiuio component of open-iscsi. The IPv6 Neighbor Discovery handler accesses link-layer address options at a fixed offset without verifying the packet contains them. Additionally, the ARP table is updated unconditionally with attacker-controlled addresses from the packet headers. An attacker on the same network segment can send a minimal Neighbor Advertisement to poison the ARP table and redirect network traffic.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed

Vendors

Redhat

Products

Enterprise Linux Rhel Els

CVE-2026-115485

Open-iscsi: open-iscsi: dhcpv6 vendor option strlen heap out-of-bounds read and 1-byte write in iscsiuio

A flaw was found in the iscsiuio component of open-iscsi. The DHCPv6 option parser calls strlen() on raw network data without ensuring a NUL terminator is present, causing it to read past the buffer into heap memory. This can result in a daemon crash, a 1-byte heap overwrite, or corruption of the iSCSI initiator name. An attacker on the same network segment can trigger this by sending a crafted DHCPv6 Advertise message.

CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed

Vendors

Red Hat Redhat

Products

Enterprise Linux Enterprise Linux Rhel Els