CVE-2021-3405

Katalog CVE

CVSS 6.5 · Medium EPSS 1,7%

Kerentanan Out-of-bounds Write pada matroska libebml, fedoraproject fedora +1 lainnya. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

A flaw was found in libebml before 1.4.2. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml.

Rincian

Terbit di NVD

23 Februari 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

1,7% peluang dieksploitasi; lebih tinggi dari 77,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/Matroska-Org/libebml/issues/74 exploit · issue tracking · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/04/msg00016.html advisory pihak ketiga
• https://security.gentoo.org/glsa/202208-21 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNHQI6MDOECJ2...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHIIMWZKHHELF...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YY7R2JZRO5I6W...