PostgreSQL server undersizes allocations, via integer wraparound

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CVE-2026-6473 PostgreSQL server undersizes allocations, via integer wraparound

Integer wraparound in multiple PostgreSQL server features allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds. This may execute arbitrary code as the operating system user running the database. In applications that pass gigabyte-scale user...

CVE-2026-6473

CVE-2026-6473 affects PostgreSQL server features where integer wraparound can cause undersized allocations and write out-of-bounds. An unprivileged database user could potentially execute arbitrary code as the OS user running the database, or trigger segmentation faults with gigabyte-scale inputs...

GHSA-97WC-2HQC-CJGR smallbitvec: Integer overflow in safe API leads to heap buffer overflow

Summary An integer overflow in the internal capacity calculation of smallbitvec can lead to an undersized heap allocation, resulting in a heap buffer overflow through safe APIs only. This allows memory corruption without requiring unsafe code from the caller. Details The issue originates from...

smallbitvec: Integer overflow in safe API leads to heap buffer overflow

Summary An integer overflow in the internal capacity calculation of smallbitvec can lead to an undersized heap allocation, resulting in a heap buffer overflow through safe APIs only. This allows memory corruption without requiring unsafe code from the caller. Details The issue originates from...

PT-2026-39309

Name of the Vulnerable Software and Affected Versions smallbitvec affected versions not specified Description An integer overflow occurs during the internal capacity calculation within the buffer lencap function. When the cap variable is close to usize::MAX, unchecked arithmetic causes the value ...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the insufficient size of the struct clkhw slot reserved for 9FGV0841 in the clkrs9 section. This...

FreeRDP: FreeRDP: Heap buffer overflow allows arbitrary code execution via crafted pixel data

A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol. A remote attacker could exploit a heap buffer overflow vulnerability in the resizevbarentry function. This occurs when an error in buffer resizing leads to attacker-controlled pixel data being written into an...

CVE-2026-41445

KissFFT before commit 8a8e66e contains an integer overflow vulnerability in the kissfftndralloc function in kissfftndr.c where the allocation size calculation dimOtherdimReal+2sizeofkissfftscalar overflows signed 32-bit integer arithmetic before being widened to sizet, causing malloc to allocate ...

openexr: OpenEXR: Arbitrary code execution via integer overflow in EXR file processing

A flaw was found in OpenEXR, an image storage format library for the motion picture industry. An attacker can craft a malicious EXR file that, when processed, causes an integer overflow in the CompositeDeepScanLine::readPixels function. This overflow leads to an undersized buffer allocation, whic...

PT-2026-33804

Name of the Vulnerable Software and Affected Versions KissFFT versions prior to commit 8a8e66e Description An integer overflow occurs in the kiss fftndr alloc function within kiss fftndr.c. The allocation size calculation dimOtherdimReal+2sizeofkiss fft scalar overflows signed 32-bit integer...

CVE-2026-35199 SymCrypt SymCryptXmssSign function - Heap overflow via 64->32-bit leaf-count truncation

SymCrypt is the core cryptographic function library currently used by Windows. From 103.5.0 to before 103.11.0, The SymCryptXmssSign function passes a 64-bit leaf count value to a helper function that accepts a 32-bit parameter. For XMSS^MT parameter sets with total tree height = 32 which include...

CVE-2026-21382

Memory Corruption when handling power management requests with improperly sized input/output buffers...

CVE-2026-32877 Botan: Heap Buffer Over-read in SM2 Decryption via Undersized C3 Hash Field

Botan is a C++ cryptography library. From version 2.3.0 to before version 3.11.0, during SM2 decryption, the code that checked the authentication code value C3 failed to check that the encoded value was of the expected length prior to comparison. An invalid ciphertext can cause a heap over-read o...

CVE-2026-32877 Botan: Heap Buffer Over-read in SM2 Decryption via Undersized C3 Hash Field

Botan is a C++ cryptography library. From version 2.3.0 to before version 3.11.0, during SM2 decryption, the code that checked the authentication code value C3 failed to check that the encoded value was of the expected length prior to comparison. An invalid ciphertext can cause a heap over-read o...

SUSE CVE-2026-23327

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload without first verifying its size. When a raw mailbox command is sent with a...

EUVD-2026-15281

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload without first verifying its size. When a raw mailbox command is sent with a...

CVE-2026-23327

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload without first verifying its size. When a raw mailbox command is sent with a...

CVE-2026-23327

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload without first verifying its size. When a raw mailbox command is sent with a...

Linux Distros Unpatched Vulnerability : CVE-2026-23327

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload withou...