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CVE-2026-126851

chromium-browser: chromium-browser: arbitrary code execution via use-after-free in Accessibility

Use after free in Accessibility in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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Google
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Chrome
CVE-2026-126852

chromium-browser: chromium-browser: Use after free in MediaStream

Use after free in MediaStream in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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Google
Products
Chrome
CVE-2026-15465

GPU DDK - Write UAF in OSDebugSignalPID due to incorrect management of PID resources

Software installed and run as a non-privileged user may conduct improper GPU system calls through the DDK kernel module interface. Under unsupported use of the interface, a use-after-free condition may occur that can lead to kernel memory corruption, platform instability, or system reboot. The weakness occurs when software references memory after it has been released. Accessing memory after free may result in corruption of valid data structures, unexpected program behaviour, process crashes, or execution of unintended operations.

CVSS n/a EPSS < 1% KEV · Not listed
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CVE-2026-120143

PostgreSQL transition-table cursor use-after-free executes arbitrary code

Use after free in PostgreSQL trigger functions allows an object creator to execute arbitrary code as the operating system user running the database, via a cursor over a transition table. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Postgresql
Products
Postgresql
CVE-2026-120147

PostgreSQL dblink reentrant disconnect use-after-free executes arbitrary code

Use after free in the PostgreSQL dblink extension allows an object creator to execute arbitrary code as the operating system user running the database, via type conversion code that re-enters dblink and closes a connection whose results an outer dblink call is reading. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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Postgresql
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Postgresql
CVE-2026-120152

PostgreSQL pg_show_all_settings() use-after-free discloses memory

Use after free in PostgreSQL pg_show_all_settings() allows a database user to retrieve memory contents, via loading a module while the function is scanning custom-variable placeholders that the module replaces and frees. Within major versions 16-18, minor versions before PostgreSQL 18.7, 17.12, and 16.16 are affected. Versions before PostgreSQL 16 are unaffected.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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Postgresql
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Postgresql
CVE-2026-116304

PostgreSQL parallel RECORD typmod use-after-free executes arbitrary code

Use after free in PostgreSQL coordination of anonymous RECORD type identifiers among parallel workers allows a database user to execute arbitrary code as the operating system user running the database, via causing one process to free a shared tuple descriptor while another process retains and later uses its address. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Postgresql
Products
Postgresql
CVE-2026-116307

PostgreSQL plperl prepared-query use-after-free executes arbitrary code

Use after free in PostgreSQL plperl allows an object creator to execute arbitrary code as the operating system user running the database, via re-entering plperl and freeing a prepared query while an outer invocation is executing it. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Postgresql
Products
Postgresql
CVE-2026-116310

PostgreSQL COPY error context uses freed field storage

Use after free in PostgreSQL COPY FROM error reporting allows a database user to disclose portions of server memory, via a longer input row following an ignored or nullified conversion error. file_fdw reaches the same code path in affected version 18. Within major versions 17-18, minor versions before PostgreSQL 18.7 and 17.12 are affected. Versions before PostgreSQL 17 are unaffected.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Postgresql
Products
Postgresql
CVE-2026-120150

PostgreSQL expanded-record domain-check use-after-free executes arbitrary code

Use after free in PostgreSQL expanded-record domain checks allows an object creator to execute arbitrary code as the operating system user running the database, via repeated checks of a domain over a composite type that cause reuse of a dangling memory-context pointer. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Postgresql
Products
Postgresql
CVE-2026-116319

PostgreSQL plperl reentrant return_next() use-after-free executes arbitrary code

Use after free in PostgreSQL plperl allows an object creator to execute arbitrary code as the operating system user running the database, via reentrant return_next() calls. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Postgresql
Products
Postgresql
CVE-2026-116320

PostgreSQL plperl array and hash conversion use-after-free executes arbitrary code

Use after free in PostgreSQL plperl allows an object creator to execute arbitrary code as the operating system user running the database, via dropping the final reference to a Perl array or hash while PostgreSQL is converting that object. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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Postgresql
Products
Postgresql
CVE-2026-116322

PostgreSQL pre-authentication cancel request can leak a spinlock

Improper locking in PostgreSQL startup processing allows an unauthenticated network client to trigger a server restart, via arranging for authentication_timeout to arrive while it holds a spinlock during cancel handling. Within major version 18, minor versions before PostgreSQL 18.7 are affected. Versions before PostgreSQL 18 are unaffected.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Postgresql
Products
Postgresql
CVE-2026-116323

PostgreSQL pltcl reentrant result conversion use-after-free executes arbitrary code

Use after free in PostgreSQL pltcl allows an object creator to execute arbitrary code as the operating system user running the database, via a domain CHECK that re-enters the Tcl interpreter and frees or changes a string still used by the outer result conversion. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Postgresql
Products
Postgresql
CVE-2026-116332

PostgreSQL portal setup use-after-free executes arbitrary code

Use after free in PostgreSQL portal setup allows an object creator to execute arbitrary code as the operating system user running the database, via running user-defined code during planning or executor startup that closes the portal currently being prepared. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Postgresql
Products
Postgresql
CVE-2026-64523

net/handshake: Take a long-lived file reference at submit

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Take a long-lived file reference at submit handshake_nl_accept_doit() needs the file pointer backing req->hr_sk->sk_socket to survive the window between handshake_req_next() and the subsequent FD_PREPARE() and get_file(). The submit-side sock_hold() does not provide that. sk_refcnt keeps struct sock alive, but struct socket is owned by sock->file: when the consumer fputs the last file reference, sock_release() tears the socket down regardless of any sock_hold. Add an hr_file pointer to struct handshake_req and acquire an explicit reference on sock->file during handshake_req_submit(). handshake_complete() and handshake_req_cancel() release the reference on the completion-bit-winning path. The submit error path must also release the file reference, but after rhashtable insertion a concurrent handshake_req_cancel() can discover the request and race the error path. Gate the error-path cleanup -- sk_destruct restoration, fput, and request destruction -- with test_and_set_bit(HANDSHAKE_F_REQ_COMPLETED), the same serialization handshake_complete() and handshake_req_cancel() already use. When cancel has already claimed ownership, the submit error path returns without touching the request; socket teardown handles final destruction. The accept-side dereferences are not yet retargeted; that change comes in the next patch.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel
CVE-2026-64475

vfio/pci: Release the VGA arbiter client on register_device() failure

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Release the VGA arbiter client on register_device() failure The re-order in the Fixes commit below displaced vfio_pci_vga_init() as the last failure point of what is now vfio_pci_core_register_device() without introducing an unwind for the VGA arbiter registration. In current kernels this is mostly benign because vfio_pci_set_decode() only uses pci_dev state, but the original failure path could leave a callback with a freed vdev cookie. The stale registration also becomes unsafe again once the callback follows drvdata to the vfio device. Add the required VGA unwind callout.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel