CVE-2021-23354

Katalog CVE

CVSS 7.5 · High EPSS 2,2%

Kerentanan Inefficient Regular Expression Complexity pada adaltas printf. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

The package printf before 0.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex string /\%(?:\(([\w_.]+)\)|([1-9]\d*)\$)?([0 +\-\]*)(\*|\d+)?(\.)?(\*|\d+)?[hlL]?([\%bscdeEfFgGioOuxX])/g in lib/printf.js. The vulnerable regular expression has cubic worst-case time complexity.

Rincian

Terbit di NVD

12 Maret 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-1333: Inefficient Regular Expression Complexity

EPSS (30 hari)

2,2% peluang dieksploitasi; lebih tinggi dari 81,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/adaltas/node-printf/pull/32 patch · advisory pihak ketiga
• https://github.com/adaltas/node-printf/issues/31 exploit · issue tracking · advisory pihak ketiga
• https://snyk.io/vuln/SNYK-JS-PRINTF-1072096 broken link