CVE-2026-40686

Katalog CVE

CVSS 5.3 · Medium EPSS 0,40%

Kerentanan Out-of-bounds Read pada exim. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

In Exim before 4.99.2, when utf8 operators are enabled, there is an out-of-bounds read if large UTF-8 trailing characters are present (malformed UTF-8 header data). Information might be divulged within an error message produced during handling of an unrelated e-mail message.

Rincian

Terbit di NVD

30 April 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read

EPSS (30 hari)

0,40% peluang dieksploitasi; lebih tinggi dari 32,7% 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/CVE2026-40686.assessment advisory vendor
• https://code.exim.org/exim/exim/commit/f2570bde16fb4d4a1242ff363a4c4eecf6372efc patch
• https://www.openwall.com/lists/oss-security/2026/04/30/21 mailing list · advisory pihak ketiga
• https://exim.org/static/doc/security/CVE-2026-40686.txt broken link