EUVD-2026-92122

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 string of repeated backslash escapes in...

CVE-2026-105219

Mammoth.js versions 1.3.0 before 1.12.3 are vulnerable to a Regular Expression Denial of Service (ReDoS) . The flaw exists in the style map tokeniser located in lib/styles/parser/tokeniser.js due to overlapping regex alternatives . An attacker can provide a crafted .docx file containing an unterm...