CVE-2026-40685

Katalog CVE

CVSS 9.8 · Critical EPSS 0,58%

Kerentanan Incorrect Provision of Specified Functionality pada exim. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

In Exim before 4.99.2, when JSON lookup is enabled, an out-of-bounds heap write can occur when a JSON operator encounters malformed JSON in an untrusted header, because of an incorrect implementation of \ skipping.

Rincian

Terbit di NVD

30 April 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-684: Incorrect Provision of Specified Functionality
CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,58% peluang dieksploitasi; lebih tinggi dari 45,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://exim.org/static/doc/security/cve-2026-04.1/CVE2026-40685.assessment advisory vendor
• https://code.exim.org/exim/exim/commit/9fdc057e71b87c87a0d3d2288b2810a0efaaba57 patch
• https://www.openwall.com/lists/oss-security/2026/04/30/21 mailing list · advisory pihak ketiga
• https://exim.org/static/doc/security/CVE-2026-40685.txt broken link