CVE-2026-44636 libsixel: integer overflow in encoder

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. From to 1.8.7-r1, signed integer overflow in sixelencodehighcolor's allocation size calculation can lead to a heap buffer overflow. The public sixelencode entry point validates only that width and height are greater th...

CVE-2026-44638

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. From to 1.8.7-r1, a wrong NULL check after an allocation call in sixeldecoderaw and sixeldecode causes a NULL pointer dereference whenever the allocation fails. The check tests the address of the output parameter alway...

CVE-2026-44638 libsixel: NULL pointer dereference

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. From to 1.8.7-r1, a wrong NULL check after an allocation call in sixeldecoderaw and sixeldecode causes a NULL pointer dereference whenever the allocation fails. The check tests the address of the output parameter alway...

CVE-2026-44638

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. From to 1.8.7-r1, a wrong NULL check after an allocation call in sixeldecoderaw and sixeldecode causes a NULL pointer dereference whenever the allocation fails. The check tests the address of the output parameter alway...

CVE-2026-44638

CVE-2026-44638 affects the libsixel SIXEL encoder/decoder. A wrong NULL check after allocation in sixel_decode_raw and sixel_decode causes a NULL pointer dereference when allocation fails, enabling a denial-of-service for callers under low-memory conditions. The issue stems from testing the addre...

PT-2026-41034

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. From to 1.8.7-r1, a wrong NULL check after an allocation call in sixel decode raw and sixel decode causes a NULL pointer dereference whenever the allocation fails. The check tests the address of the output parameter...

PT-2026-41032

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. From to 1.8.7-r1, signed integer overflow in sixel encode highcolor's allocation size calculation can lead to a heap buffer overflow. The public sixel encode entry point validates only that width and height are greater...

Exploit for CVE-2017-0144

💀 EternalBlue MS17-010 Exploitation Research Controlled r...

May 12, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 (KB5087049)

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May 12, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 (KB5087069)

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May 12, 2026-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 (KB5088861)

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Microsoft Windows 安全漏洞

Microsoft Windows is an operating system used by personal devices by the American company Microsoft. There are security vulnerabilities in Microsoft Windows. Attackers can exploit these vulnerabilities to execute code remotely. The following products and versions are affected: Windows 10 Version...

Microsoft Windows 访问控制错误漏洞

Microsoft Windows is an operating system used by personal devices by the American company Microsoft. There is a vulnerability related to access control in Microsoft Windows. Attackers can exploit this vulnerability to gain higher privileges. The following products and versions are affected: Windo...

CVE-2026-7703

A flaw has been found in AV Stumpfl Pixera Two Media Server up to 25.2 R2. Impacted is an unknown function of the component Websocket API. This manipulation causes code injection. The attack can be initiated remotely. The exploit has been published and may be used. Upgrading to version 25.2 R3 is...

NEMU 安全漏洞

NEMU is an open-source teaching system simulator developed by XiangShan. Versions of NEMU prior to v2025.12.r2 contained security vulnerabilities. These vulnerabilities were caused by improper instruction validation in the RISC-V Vector decoder, which could lead to incorrect trap behavior,...

Microsoft Windows Active Directory 输入验证错误漏洞

Microsoft Windows Active Directory is a centralized directory management service provided by Microsoft for managing large-scale network environments. It stores information about objects on the network, enabling administrators and users to easily find and use this information. There is an input...

Microsoft Windows 输入验证错误漏洞

Microsoft Windows is an operating system used on personal devices by the American company Microsoft. The Microsoft Windows Server Update Service has a vulnerability related to input validation errors, which stem from incorrect input validation. The following products and versions are affected:...

April 14, 2026-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 (KB5084070)

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Directory Traversal

Overview @payloadcms/storage-r2 is a Payload storage adapter for Cloudflare R2 Affected versions of this package are vulnerable to Directory Traversal via insufficient sanitization of filenames in the client-upload signed-URL endpoints for S3, GCS, Azure, and R2. An attacker can escape the intend...

CVE-2026-34750 Payload has Insufficient Filename Validation in Client-Upload Signed-URL Endpoints

Payload is a free and open source headless content management system. Prior to version 3.78.0 in @payloadcms/storage-azure, @payloadcms/storage-gcs, @payloadcms/storage-r2, and @payloadcms/storage-s3, the client-upload signed-URL endpoints for S3, GCS, Azure, and R2 did not properly sanitize...