csirt@kutim:~/threat-intel/cve/CVE-2025-69873

Katalog CVE

CVSS 2.9 · Low EPSS 0,55%

Kerentanan Inefficient Regular Expression Complexity. Skor CVSS 3.1 2.9 (Low) menurut mitre.org.

Deskripsi (NVD)

ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax ($data reference), which is passed directly to the JavaScript RegExp() constructor without validation. An attacker can inject a malicious regex pattern (e.g., "^(a|a)*$") combined with crafted input to cause catastrophic backtracking. A 31-character payload causes approximately 44 seconds of CPU blocking, with each additional character doubling execution time. This enables complete denial of service with a single HTTP request against any API using ajv with $data: true for dynamic schema validation. This issue is also fixed in version 6.14.0.

Rincian

Terbit di NVD
11 Februari 2026
Terakhir diubah
10 September 2026
Status NVD
Deferred
CVSS 3.1
2.9 (Low), sumber mitre.org
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-1333: Inefficient Regular Expression Complexity
CWE-400: Uncontrolled Resource Consumption
EPSS (30 hari)
0,55% peluang dieksploitasi; lebih tinggi dari 44,3% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

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.