CVE-2026-59887: markdown-it linkify-it

csirt@kutim:~/threat-intel/cve/CVE-2026-59887

CVSS 7.5 · High EPSS 0,64%

Kerentanan Inefficient Algorithmic Complexity pada markdown-it linkify-it. Skor CVSS 3.1 7.5 (High) menurut github.com.

Deskripsi (NVD)

linkify-it is a links recognition library with full Unicode support. Prior to 5.0.2, the mailto: schema validator used by .test() and .match() can be invoked at every mailto: occurrence and scan the remaining input through src_email_name in lib/re.mjs, causing O(n^2) CPU consumption on crafted user text. This issue is fixed in version 5.0.2.

Rincian

Terbit di NVD: 8 Juli 2026
Terakhir diubah: 26 Agustus 2026
Status NVD: Analyzed
CVSS 3.1: 7.5 (High), sumber github.com
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-407: Inefficient Algorithmic Complexity
EPSS (30 hari): 0,64% peluang dieksploitasi; lebih tinggi dari 49,4% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
markdown-it	linkify-it	Semua versi sebelum 5.0.2

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/markdown-it/linkify-it/security/advisories/GHSA-v245-v573-v5vm exploit · mitigasi · advisory vendor
https://github.com/markdown-it/linkify-it/commit/105e5d77f7d119871d2b2d86ed208568eb3e7ffe patch
https://github.com/markdown-it/linkify-it/releases/tag/5.0.2 release notes

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.