CVE-2026-54257

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.1 until 42.3.3, Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow. Most apps will crash and some may perform incorrect buffer allocations in t...

CVE-2026-54257

CVE-2026-54257 affects Electron 42.3.1 through 42.3.2 where the Node.js Buffer API uses incorrect byte-length calculations, causing heap underflow/overflow. This can lead to crashes and, in some cases, incorrect buffer allocations (truncation or misallocation). The issue is fixed in Electron 42.3...

CVE-2026-54257 Electron: Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.1 until 42.3.3, Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow. Most apps will crash and some may perform incorrect buffer allocations in t...

CVE-2026-54257 Electron: Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.1 until 42.3.3, Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow. Most apps will crash and some may perform incorrect buffer allocations in t...

CVE-2026-56395

SiYuan before v3.6.1 fails to sanitize package metadata and README content in the Bazaar marketplace, allowing malicious package authors to inject arbitrary HTML and JavaScript. Attackers can achieve remote code execution on any user browsing the Bazaar by embedding XSS payloads in package...

CVE-2026-56397

SiYuan before v3.6.1 fails to sanitize package metadata and README content in the Bazaar marketplace, allowing malicious package authors to inject arbitrary HTML and JavaScript. Attackers can achieve remote code execution on any user browsing the Bazaar by embedding XSS payloads in package...

CVE-2026-56395

SiYuan before v3.6.1 fails to sanitize package metadata and README content in the Bazaar marketplace, allowing malicious package authors to inject arbitrary HTML and JavaScript. Attackers can achieve remote code execution on any user browsing the Bazaar by embedding XSS payloads in package...

CVE-2026-56395 SiYuan - Remote Code Execution via Malicious Bazaar Package Metadata and README

SiYuan before v3.6.1 fails to sanitize package metadata and README content in the Bazaar marketplace, allowing malicious package authors to inject arbitrary HTML and JavaScript. Attackers can achieve remote code execution on any user browsing the Bazaar by embedding XSS payloads in package...

CVE-2026-56395

SiYuan exposes a vulnerability (CVE-2026-56395) where SieYuan versions prior to 3.6.1 fail to sanitize Bazaar marketplace metadata and README content, enabling arbitrary HTML/JavaScript injection. The underlying issue is improper sanitization of package displayName, description, or README fields,...

EUVD-2026-38161

SiYuan before v3.6.1 fails to sanitize package metadata and README content in the Bazaar marketplace, allowing malicious package authors to inject arbitrary HTML and JavaScript. Attackers can achieve remote code execution on any user browsing the Bazaar by embedding XSS payloads in package...

PT-2026-51236

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.6.1 Description SiYuan fails to sanitize package metadata and README content within the Bazaar marketplace. This allows malicious authors to inject arbitrary HTML and JavaScript into the displayName, description, or...

MAL-2026-6186 Malicious code in electron-internal-utils (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector e07ff16a8f4a44a8ccfc2f6f2a91eee6dbd3d1de9f1c4d6ca95e0e48999202ef On npm install, package.json's postinstall script executes curl http://9ph8dp.ceye.io, an out-of-band DNS/HTTP interaction service controlled by the...

Malicious code in electron-internal-utils (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector e07ff16a8f4a44a8ccfc2f6f2a91eee6dbd3d1de9f1c4d6ca95e0e48999202ef On npm install, package.json's postinstall script executes curl http://9ph8dp.ceye.io, an out-of-band DNS/HTTP interaction service controlled by the...

Heap Buffer Overflow

Electron is vulnerable to Heap Buffer Overflow. The vulnerability is due to incorrect byte length calculations in Buffer operations, which allows an attacker to trigger out-of-bounds memory access resulting in heap buffer overflows or underflows...

Buffer Overflow

Overview electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. Affected versions of this package are vulnerable to Buffer Overflow in the Buffer API. An attacker can cause application crashes or trigger incorrect memory allocations by...

NPM: Electron: Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow

NPM: Electron: Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow vulnerability discovered by ? in WordPress Npm electron versions = 42.3.1, 42.3.3...

Buffer Overflow

Overview org.webjars.npm:electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. Affected versions of this package are vulnerable to Buffer Overflow in the Buffer API. An attacker can cause application crashes or trigger incorrect memory...

Electron: Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow

Impact Most apps will crash and some may perform incorrect buffer allocations in the Node.js Buffer API resulting in unexpected truncation or allocation. Workarounds No workarounds. Do not use these impacted Electron releases Fixed Versions 42.3.3 For more information If you have any questions or...

GHSA-Q6M5-F73J-M9MC Electron: Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow

Impact Most apps will crash and some may perform incorrect buffer allocations in the Node.js Buffer API resulting in unexpected truncation or allocation. Workarounds No workarounds. Do not use these impacted Electron releases Fixed Versions 42.3.3 For more information If you have any questions or...

PT-2026-49579

Name of the Vulnerable Software and Affected Versions Electron versions 42.3.1 through 42.3.2 Description Incorrect byte length calculations in the Node.js Buffer API cause heap underflow or overflow, which can lead to memory corruption or application crashes. This issue may result in incorrect...