CVE-2026-105219
- Source
- https://cve.org/CVERecord?id=CVE-2026-105219
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-105219.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-105219
- Published
- 2026-10-04T17:09:54Z
- Modified
- 2026-10-28T02:30:48Z
- Severity
-
- 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
- Summary
- Mammoth.js 1.3.0 before 1.12.3 ReDoS via Style Map Tokeniser
- Details
-
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.
- Database specific
{ "cna_assigner": "VulnCheck", "cwe_ids": [ "CWE-1333" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105219.json" }- References
-
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105219.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-105219
- https://www.vulncheck.com/advisories/mammoth-js-1.3.0-before-1.12.3-redos-via-style-map-tokeniser
- https://github.com/mwilliamson/mammoth.js/issues/487
- https://github.com/mwilliamson/mammoth.js/commit/dc49225425c2c07de0a6dc3529f2386c82a032b4
- https://github.com/mwilliamson/mammoth.js
- https://github.com/mwilliamson/mammoth.js/blob/1.12.2/lib/styles/parser/tokeniser.js#L6-L30
Affected packages
Git / github.com/mwilliamson/mammoth.js
Affected ranges
- Type
- GIT
- Repo
- https://github.com/mwilliamson/mammoth.js
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "1.3.0" }, { "fixed": "1.12.3" } ], "source": "AFFECTED_FIELD", "strategy": "StandardRange" }, { "range": [ { "fixed": "dc49225425c2c07de0a6dc3529f2386c82a032b4" } ], "source": "REFERENCES_COMMIT" } ] }