CyberSecBulletin

Mwilliamson vulnerabilities

We track 2 vulnerabilities in Mwilliamson products. 2 are rated high or critical, and none are known to be exploited. The most recent was published on October 4, 2026.

2vulnerabilities
0critical
2high
0exploited
8.0average CVSS score

Latest Mwilliamson vulnerabilities

  • 7.5 High severity

    mammoth.js: Inefficient Regular Expression Complexity

    CVE-2026-105219Mwilliamson

    Mammoth.js 1.3.0 before 1.12.3 contains a regular expression denial of service vulnerability in the style map tokeniser in lib/styles/parser/tokeniser.js due to overlapping regex alternatives. Attackers can supply a crafted .docx with an unterminated quoted st

  • 8.4 High severity

    mammoth.js: Improperly Controlled Modification of Object Prototype Attributes

    CVE-2026-97151Mwilliamson

    mammoth (aka mammoth.js) before 1.12.2 is vulnerable to prototype pollution when reading the styles defined in a document. Converting a crafted .docx file allows an attacker to add arbitrary properties to Object.prototype. In 1.11.0 through 1.12.1, application