CVE-2026-105219

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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

2026-10-06T02:47:20Z

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

Affected packages

Git / github.com/mwilliamson/mammoth.js

Affected ranges

Type

GIT

Repo

https://github.com/mwilliamson/mammoth.js

Events

Introduced

a55dee628eafdfd11c82cda0682ceebb3adbbfc1

Fixed

71fe5daa50f85939efc9ea546ac588c4dba56d4c

Fixed

dc49225425c2c07de0a6dc3529f2386c82a032b4

Database specific

Show details

{
    "extracted_events":  [
        {
            "introduced":  "1.3.0"
        },
        {
            "fixed":  "1.12.3"
        }
    ],
    "source":  [
        "DESCRIPTION",
        "REFERENCES"
    ]
}

Affected versions

1.*

1.10.0

1.11.0

1.12.0

1.12.1

1.12.2

1.3.0

1.3.1

1.3.2

1.3.3

1.3.4

1.3.5

1.3.6

1.4.0

1.4.1

1.4.10

1.4.11

1.4.12

1.4.13

1.4.14

1.4.15

1.4.16

1.4.17

1.4.18

1.4.19

1.4.2

1.4.20

1.4.21

1.4.3

1.4.4

1.4.5

1.4.6

1.4.7

1.4.8

1.4.9

1.5.0

1.5.1

1.6.0

1.7.0

1.7.1

1.7.2

1.8.0

1.9.0

1.9.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-105219.json"