CVE-2026-105219
HIGH
8,7
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH
7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Description
AI Translation Available
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 mammoth/style-map to block the Node.js event loop.
1333
Inefficient Regular Expression Complexity
DraftCommon Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Resource Consumption (Cpu)
Applicable Platforms
All platforms may be affected
https://github.com/mwilliamson/mammoth.js
https://github.com/mwilliamson/mammoth.js/blob/1.12.2/lib/styles/parser/tokenis…
https://github.com/mwilliamson/mammoth.js/commit/dc49225425c2c07de0a6dc3529f238…
https://github.com/mwilliamson/mammoth.js/issues/487
https://www.vulncheck.com/advisories/mammoth-js-1.3.0-before-1.12.3-redos-via-s…