CVE-2021-20277

Katalog CVE

CVSS 7.5 · High EPSS 4,3%

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's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. 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
CWE-787: Out-of-bounds Write

EPSS (30 hari)

4,3% peluang dieksploitasi; lebih tinggi dari 90,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.samba.org/samba/security/CVE-2021-20277.html advisory vendor
• https://bugzilla.redhat.com/show_bug.cgi?id=1941402 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...