CVE-2020-27840

Katalog CVE

CVSS 7.5 · High EPSS 3,8%

Kerentanan Out-of-bounds Read pada samba, debian linux +1 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.

Rincian

Terbit di NVD

12 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read

EPSS (30 hari)

3,8% peluang dieksploitasi; lebih tinggi dari 89,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.samba.org/samba/security/CVE-2020-27840.html advisory vendor
• https://bugzilla.redhat.com/show_bug.cgi?id=1941400 issue tracking · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/03/msg00036.html mailing list · advisory pihak ketiga
• https://security.gentoo.org/glsa/202105-22 advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20210326-0007/ advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4884 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLZ74IF2N75VQ...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5J3B6PN5XMXF...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXP3ONIY6MB4C...