CVE-2026-27942

Katalog CVE

CVSS 7.5 · High EPSS 0,66%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada naturalintelligence fast-xml-parser. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

fast-xml-parser allows users to validate XML, parse XML to JS object, or build XML from JS object without C/C++ based libraries and no callback. Prior to version 5.3.8, the application crashes with stack overflow when user use XML builder with `preserveOrder:true`. Version 5.3.8 fixes the issue. As a workaround, use XML builder with `preserveOrder:false` or check the input data before passing to builder.

Rincian

Terbit di NVD

26 Februari 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

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-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

0,66% peluang dieksploitasi; lebih tinggi dari 50,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/NaturalIntelligence/fast-xml-parser/security/advisories/GHSA-fj3w-jwp8-x2g3 advisory vendor
• https://github.com/NaturalIntelligence/fast-xml-parser/commit/c13a961910f14986295dd28484eee830fa1a0e8a patch
• https://github.com/NaturalIntelligence/fast-xml-parser/pull/791 issue tracking · patch