CVE-2021-4009

Katalog CVE

CVSS 7.8 · High EPSS 0,61%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada x.org x server, fedoraproject fedora +1 lainnya. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcXFixesCreatePointerBarrier function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Rincian

Terbit di NVD

17 Desember 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:L/UI:N/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

EPSS (30 hari)

0,61% peluang dieksploitasi; lebih tinggi dari 48,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://lists.x.org/archives/xorg-announce/2021-December/003122.html advisory vendor
• https://lists.x.org/archives/xorg-announce/2021-December/003124.html advisory vendor
• https://lists.debian.org/debian-lts-announce/2021/12/msg00035.html mailing list · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20220114-0004/ advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-5027 advisory pihak ketiga
• https://www.zerodayinitiative.com/advisories/ZDI-21-1548/ advisory pihak ketiga · vdb entry
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKLSZCY47QK4R...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NXTRPFEQLFZ6N...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDHYZM6FII35J...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T57DCF726O5LL...
• https://security.gentoo.org/glsa/202305-30