CVE-2026-4892

Katalog CVE

CVSS 8.4 · High EPSS 0,31%

Kerentanan Heap-based Buffer Overflow. Skor CVSS 3.1 8.4 (High) menurut CISA ADP.

Deskripsi (NVD)

A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet.

Rincian

Terbit di NVD

11 Mei 2026

Terakhir diubah

25 Agustus 2026

Status NVD

Awaiting Analysis

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-122: Heap-based Buffer Overflow

EPSS (30 hari)

0,31% peluang dieksploitasi; lebih tinggi dari 21,6% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/NixOS/nixpkgs/pull/519082
• https://github.com/NixOS/nixpkgs/pull/519093
• https://github.com/pi-hole/FTL/releases/tag/v6.6.2
• https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.html
• https://thekelleys.org.uk/dnsmasq/CVE/
• https://www.kb.cert.org/vuls/id/471747
• https://access.redhat.com/errata/RHSA-2026:19158
• https://access.redhat.com/errata/RHSA-2026:19373
• https://access.redhat.com/errata/RHSA-2026:20589
• https://access.redhat.com/errata/RHSA-2026:34508
• https://access.redhat.com/errata/RHSA-2026:40762
• https://access.redhat.com/security/cve/CVE-2026-4892
• https://bugzilla.redhat.com/show_bug.cgi?id=2458518
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4892.json