CVE-2021-3404

Katalog CVE

CVSS 7.8 · High EPSS 1,9%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada ytnef project ytnef, redhat enterprise linux +1 lainnya. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.

Rincian

Terbit di NVD

4 Maret 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.8 (High), sumber NVD
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-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787: Out-of-bounds Write

EPSS (30 hari)

1,9% peluang dieksploitasi; lebih tinggi dari 79,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=1926965 issue tracking · advisory pihak ketiga
• https://github.com/Yeraze/ytnef/issues/86 exploit · issue tracking · advisory pihak ketiga