CVE-2026-6691

Katalog CVE

CVSS 7.8 · High EPSS 0,18%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada mongodb c driver. Skor CVSS 3.1 7.8 (High) menurut mongodb.com.

Deskripsi (NVD)

The MongoDB C Driver's Cyrus SASL integration performs unsafe string copying during username canonicalization, enabling a heap buffer overflow before any authentication or network traffic. This may be triggered by passing untrusted input in the username of a MongoDB URI with authMechanism=GSSAPI.

Rincian

Terbit di NVD

6 Mei 2026

Terakhir diubah

18 Juni 2026

Status NVD

Analyzed

CVSS 3.1

7.8 (High), sumber mongodb.com
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,18% peluang dieksploitasi; lebih tinggi dari 7,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://jira.mongodb.org/browse/CDRIVER-6134 patch · advisory vendor · issue tracking