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CVE-2026-42011

Gnutls: gnutls: security bypass due to incorrect name constraint handling

A flaw was found in gnutls. This vulnerability occurs because permitted name constraints were incorrectly ignored when previous Certificate Authorities (CAs) only had excluded name constraints. A remote attacker could exploit this to bypass critical name constraint checks during certificate validation. This bypass could lead to the acceptance of invalid certificates, potentially enabling spoofing or man-in-the-middle attacks against affected systems.

CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Cert Manager Discovery Enterprise Linux and 13 more
CVE-2026-16313

Sg3_utils: sg3_utils: arbitrary command execution via udev property injection in sg_inq --export

A flaw was found in sg3_utils. The sg_inq command, when invoked with the --export option, outputs device identification data without sanitizing control characters in SCSI name string fields. A newline character embedded in a device-supplied name string can inject arbitrary properties into the udev device database. This could allow an attacker who can present a crafted SCSI device to execute arbitrary commands as root when the device is disconnected.

CVSS 3.1 · 7.6 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Enterprise Linux Eus Openshift and 7 more
CVE-2026-112261

Gimp: gimp: use-after-free in xcf loader via prop_selected_path

A flaw was found in GIMP. Opening a crafted XCF that selects a path and then fails to load that path can cause a use-after-free in the main process, leading to a crash and potentially arbitrary code execution.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Gimp Redhat
Products
Gimp Enterprise Linux Rhel Els
CVE-2026-112260

Gimp: gimp: heap out-of-bounds read in xcf text-layer parasite parsing

A flaw was found in GIMP. Opening a crafted XCF with a malformed text-layer parasite can cause a heap out-of-bounds read, disclosing adjacent heap data into layer text and causing denial of service.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Gimp Redhat
Products
Gimp Enterprise Linux Rhel Els
CVE-2026-112258

Gimp: gimp: use-after-free in xcf loader via prop_linked and prop_selection on channels

A flaw was found in GIMP. The XCF loader can leave a dangling pointer in the linked-channels list when a linked channel is later destroyed via a selection property. Opening a crafted XCF file can cause a use-after-free in the main GIMP process, leading to a crash and potentially arbitrary code execution.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Gimp Redhat
Products
Gimp Enterprise Linux Rhel Els
CVE-2026-112257

Gimp: gimp: heap out-of-bounds read/write in psd thumbnail loader (load_resource_1033)

A flaw was found in GIMP. The PSD thumbnail resource loader performs a BGR-to-RGB channel swap with a fixed 3-byte stride and does not verify that the JPEG thumbnail is RGB. A crafted grayscale PSD thumbnail can cause a heap out-of-bounds read and write in the plug-in process, leading to a crash and potentially arbitrary code execution when the victim browses or opens the file.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Gimp Redhat
Products
Gimp Enterprise Linux Rhel Els
CVE-2026-106062

Gimp: gimp: heap buffer overflow in dds loader on crafted directdraw surface file

A heap-based buffer overflow was found in GIMP’s DirectDraw Surface (DDS) loader. When loading a crafted DDS image, buffer sizes derived from width, height, and pitch can be computed using 32-bit arithmetic that overflows. The allocated buffer is too small for the amount of pixel data written through GEGL, following integer overflow in size calculations. This may allow heap corruption and, in the worst case, arbitrary code execution in the context of the GIMP process.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Gimp Redhat
Products
Gimp Enterprise Linux Rhel Els
CVE-2026-19685

Networkmanager: networkmanager: 802-1x ca-path and phase2-ca-path bypass private_user restriction, allowing wpa-enterprise server validation bypass (incomplete fix for cve-2025-9615)

NetworkManager did not apply the private_user restriction to the 802-1x.ca-path and phase2-ca-path directory-valued connection properties. This incomplete fix for CVE-2025-9615 allows an unprivileged local user to point a private WPA-Enterprise (802.1X) connection profile's CA path at an attacker-controlled directory, bypassing server certificate validation and enabling credential theft via a rogue access point.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Hardened Images Hummingbird and 4 more
CVE-2026-124738

Busybox: httpd password rule bypass for pre-compressed .gz files via accept-encoding: gzip

A flaw was found in BusyBox. When the HTTP daemon (httpd) has pre-compressed file support enabled, authentication checks are evaluated only against the requested URL path rather than the pre-compressed file being served. A remote attacker can exploit this flaw by requesting an uncompressed file path while specifying gzip encoding, bypassing password rules configured specifically for the compressed file. This vulnerability can lead to unauthorized information disclosure of sensitive files.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Hummingbird Rhel Els
CVE-2026-124737

Busybox: heap buffer overflow in the tftp client on fallback to the default block size

A flaw was found in BusyBox. When the TFTP (Trivial File Transfer Protocol) client requests a custom small block size and receives a standard response, it falls back to the default block size without resizing the allocated memory buffer. A malicious TFTP server can exploit this issue by sending standard-sized network packets during a transfer, causing a heap buffer overflow. This flaw allows an attacker to achieve arbitrary code execution or cause a Denial of Service (DoS) by crashing the application.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Hummingbird Rhel Els
CVE-2026-92091

Jwcrypto: jwcrypto: denial of service via o(n^2) duplicate check on unbounded jwk key_ops array

A flaw was found in jwcrypto. The JWK.import_key() function validates the key_ops JWK member for duplicate values using an algorithm with O(n^2) time complexity, and the length of key_ops is not bounded. A remote, unauthenticated attacker can supply a JWK with a large key_ops array to an application that passes attacker-controlled key material to a public key-import API (reachable via ECDH-ES key agreement, OIDC dynamic client registration, DPoP, or ACME account key registration, among others) to consume excessive CPU time, resulting in a denial of service.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Ansible Automation Platform Enterprise Linux Openshift Ai and 2 more
CVE-2026-79655

Sos: sos: path traversal in sos clean tar extraction via unvalidated symlink/hardlink targets leads to arbitrary file write

A flaw was found in sos clean, a utility within the sos package. This vulnerability allows a local attacker to perform arbitrary file creation or overwrite. By crafting a malicious tar archive, an attacker can exploit a path traversal issue during tar extraction, where symlink and hardlink targets are not properly validated. This enables the attacker to write files to arbitrary locations on the system with the privileges of the sos clean process, which often runs as root.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Rhel Els
CVE-2026-15028

Libarchive: heap overflow oob read while parsing a tar archive contains a pax extended header

A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file attribute. Successful exploitation could lead to a denial of service, making the system unavailable, or potentially allow for arbitrary code execution, giving the attacker control over the affected system.

CVSS 3.1 · 3.9 Low EPSS < 1% KEV · Not listed
Vendors
Libarchive Red Hat Redhat
Products
Libarchive Enterprise Linux Cost Management On Premise and 7 more
CVE-2026-12478

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 length near UINT64_MAX to trigger an OOB read in a libsoup-based client when max_incoming_payload_size is set to 0.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Libsoup Red Hat Redhat
Products
Libsoup Enterprise Linux Enterprise Linux and 1 more
CVE-2026-80101

Gimp: multiple heap out-of-bounds reads in xwd loader from unrelated width and bytes-per-line validation

A flaw was found in the file-xwd plugin in GIMP. When processing a specially crafted XWD image file, the plugin validates the image width and bytes-per-line parameters independently rather than ensuring their combined values are consistent with the allocated buffer size. This incorrect validation leads to improper bounds checking, causing a heap out-of-bounds read. This issue can result in an application crash, leading to a denial of service or a limited information disclosure of heap memory contents into the produced image.

CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
Vendors
Gimp Red Hat Redhat
Products
Gimp Enterprise Linux Enterprise Linux and 1 more
CVE-2026-80186

Bluez: stack overflow in name2utf8 causes dos and potential code execution

A stack-based buffer overflow vulnerability exists in BlueZ, the Linux Bluetooth protocol stack. A remote user within Bluetooth radio range can send a specially crafted Extended Inquiry Response (EIR) packet that causes a buffer overflow when the target device performs Bluetooth discovery. This vulnerability can lead to a Denial of Service (DoS) by crashing the bluetoothd service and may allow for arbitrary code execution.

CVSS 3.1 · 7.6 High EPSS < 1% KEV · Not listed
Vendors
Bluez Red Hat Redhat
Products
Bluez Enterprise Linux Enterprise Linux and 1 more
CVE-2026-80185

Bluez: sdp-xml: bluez 5.86: unprivileged-local and adjacent-le-peer leads to arbitrary code execution as root

BlueZ sdp-xml.c type confusion via RegisterProfile(ServiceRecord) can crash bluetoothd (local DoS): a crafted nested ServiceRecord can corrupt the SDP XML parser stack so scalar union data is treated as a sequence pointer, allowing a local caller to crash bluetoothd.

CVSS 3.1 · 5.7 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Rhel Els
CVE-2026-18090

Gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted icns rle block

A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Rhel Els
CVE-2026-90949

Gimp: gimp: heap-based buffer overflow in psp loader due to selection-channel geometry mismatch

A flaw was found in GIMP's PSP (Paint Shop Pro) file loader. When processing a compressed selection channel, a heap-based buffer overflow can occur due to a mismatch between the allocated buffer size and the amount of data decompressed. A remote attacker could exploit this vulnerability by crafting a malicious PSP file. Opening this file in GIMP could lead to a crash or arbitrary code execution.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Gimp Red Hat Redhat
Products
Gimp Enterprise Linux Enterprise Linux and 1 more
CVE-2026-90994

Sssd: sssd: denial of service via malformed pam v1 requests

A flaw was found in sssd, specifically within the PAM (Pluggable Authentication Modules) responder's protocol v1 parser, pam_parse_in_data(). A local client with access to the PAM responder's UNIX socket can exploit this by negotiating protocol v1 and sending an empty or truncated PAM request body. This can trigger an out-of-bounds read, potentially causing the PAM responder to terminate or restart, leading to a local denial of service.

CVSS 3.1 · 4 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat Sssd
Products
Enterprise Linux Enterprise Linux Openshift and 3 more