JLSEC-2026-331

A vulnerability classified as problematic has been found in HDF5 up to 1.14.6. This affects the function H5FSsinfoSrializeSctcb of the file src/H5FScache.c. The manipulation of the argument sect leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has...

JLSEC-2026-336

A vulnerability was found in HDF5 up to 1.14.6 and classified as problematic. This issue affects the function H5Ocachechkserialize of the file src/H5Ocache.c. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public a...

JLSEC-2026-349

A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5FSsinfoserializenodecb of the file src/H5FScache.c. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed ...

Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring operands are vulnerable to denial of service (CVE-2026-34043)

Summary Node.js module serialize-javascript is used by IBM App Connect Enterprise Certified Container. IBM App Connect Enterprise Certified Container DesignerAuthoring operands are vulnerable to denial of service. This bulletin provides patch information to address the reported vulnerability in...

GHSA-26PP-8WGV-HJVM Hono missing validation of cookie name on write path in setCookie()

Summary Cookie names are not validated on the write path when using setCookie, serialize, or serializeSigned to generate Set-Cookie headers. While certain cookie attributes such as domain and path are validated, the cookie name itself may contain invalid characters. This results in inconsistent...

CVE-2026-34043

A flaw was found in serialize-javascript. An attacker can exploit this vulnerability by providing a specially crafted "array-like" object with an excessively large length property during the serialization process. This action causes the application to enter an intensive loop, leading to 100% CPU...

CVE-2026-34043

CVE-2026-34043 affects the Node.js module serialize-javascript. The vulnerability causes a DoS via CPU exhaustion when serializing a specially crafted array-like object with a very large length, leading to a 100% CPU loop and hang. This is fixed in version 7.0.5; affected deployments should upgra...

CVE-2026-34043 Serialize JavaScript has CPU Exhaustion Denial of Service via crafted array-like objects

Serialize JavaScript to a superset of JSON that includes regular expressions and functions. Prior to version 7.0.5, there is a Denial of Service DoS vulnerability caused by CPU exhaustion. When serializing a specially crafted "array-like" object an object that inherits from Array.prototype but ha...

Serialize JavaScript has CPU Exhaustion Denial of Service via crafted array-like objects

Impact What kind of vulnerability is it? It is a Denial of Service DoS vulnerability caused by CPU exhaustion. When serializing a specially crafted "array-like" object an object that inherits from Array.prototype but has a very large length property, the process enters an intensive loop that...

GHSA-QJ8W-GFJ5-8C6V Serialize JavaScript has CPU Exhaustion Denial of Service via crafted array-like objects

Impact What kind of vulnerability is it? It is a Denial of Service DoS vulnerability caused by CPU exhaustion. When serializing a specially crafted "array-like" object an object that inherits from Array.prototype but has a very large length property, the process enters an intensive loop that...

Allocation of Resources Without Limits or Throttling

Overview org.webjars.npm:serialize-javascript is a package to serialize JavaScript to a superset of JSON that includes regular expressions and functions. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the serialize function when...

Allocation of Resources Without Limits or Throttling

Overview serialize-javascript is a package to serialize JavaScript to a superset of JSON that includes regular expressions and functions. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the serialize function when handling specially...

-react-file-list-components (=1.1.1), 00ld8nuivn (=2.1.0) +45061 more potentially affected by CVE-2026-34043 via serialize-javascript (>=5.0.0 <=7.0.4)

serialize-javascript NPM version =5.0.0, =0.1.0, =0.1.9 - 01dk01majk =2.1.0 - 02.aula =1.0.0 - 02rjq8i863 =1.1.0 - 02vx8qsp01 =2.1.0 - 05y6tjgmws =1.1.0 - 066m7q8o0z =2.1.0 - 06buj9h3su =2.1.0 - 06dre15t8r =2.1.0 - 06p998toez =0.1.0 - 07fgapmu9l =1.1.0 - 07t2xvu6t4 =2.1.0 and more Source cves:...

@internxt/cli (>=1.0.5 <=1.2.2), @latitude-data/cli (>=0.0.29 <=1.11.0-canary.8) +18 more potentially affected by CVE-2026-34043 via serialize-javascript (>=7.0.0 <=7.0.4)

serialize-javascript NPM version =7.0.0, =1.0.5, =0.0.29, =1.23.0-beta.0, =1.23.0-beta.0, =1.23.0-beta.0, =1.23.0-beta.0, =18.33.0, =0.7.5, =0.9.8, =0.15.8, =1.3.0, =0.1.0, =0.1.49 and more Source cves: CVE-2026-34043 Source advisory: SNYK:JS-SERIALIZEJAVASCRIPT-15809196...

org.webjars.npm:compression-webpack-plugin (=7.1.1), org.webjars.npm:copy-webpack-plugin (>=4.3.1 <=4.6.0) +9 more potentially affected by CVE-2026-34043 via org.webjars.npm:serialize-javascript (>=1.9.1 <=6.0.2)

org.webjars.npm:serialize-javascript MAVEN version =1.9.1, =4.3.1, =5.2.0, =1.1.6, =2.3.4, =2.5.17-beta.0 Source cves: CVE-2026-34043 Source advisory: SNYK:JAVA-ORGWEBJARSNPM-15809197...

PT-2026-28596

Name of the Vulnerable Software and Affected Versions serialize-javascript versions prior to 7.0.5 Description This issue involves a Denial of Service DoS caused by CPU exhaustion. When serializing a specially crafted "array-like" object – an object inheriting from Array.prototype with a very lar...

Remote Code Execution (RCE)

next-mdx-remote is vulnerable to Remote Code Execution RCE. The vulnerability is due to insufficient sanitization of MDX content in the serialize function, which allows an attacker to execute arbitrary code...

Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring operands are vulnerable to arbitrary code execution (GHSA-5c6j-r48x-rmvq)

Summary Node.js module serialize-javascript is used by IBM App Connect Enterprise Certified Container DesignerAuthoring operands. DesignerAuthoring operands are vulnerable to arbitrary code execution. This bulletin provides patch information to address the reported vulnerability in Node.js module...

Security Bulletin: Cross-Site Scripting (XSS) Vulnerability in serialize-javascript Due to Improper Input Sanitization affects watsonx.data

Summary A flaw was found in npm-serialize-javascript. The vulnerability occurs because the serialize-javascript module does not properly sanitize certain inputs, such as regex or other JavaScript object types, allowing an attacker to inject malicious code. This code could be executed when...

GHSA-5C6J-R48X-RMVQ Serialize JavaScript is Vulnerable to RCE via RegExp.flags and Date.prototype.toISOString()

Impact The serialize-javascript npm package versions tags, the injected code executes. javascript const serialize = require'serialize-javascript'; // Create an object that passes instanceof RegExp with a spoofed .flags const fakeRegex = Object.createRegExp.prototype; Object.definePropertyfakeRege...