CVE-2026-46727

Katalog CVE

CVSS 8.1 · High EPSS 0,49%

Kerentanan Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') pada ruby-lang ruby. Skor CVSS 3.1 8.1 (High) menurut mitre.org.

Deskripsi (NVD)

An issue was discovered in Ruby 4 before 4.0.5. A race condition leading to a use-after-free in the pthread-based getaddrinfo timeout handler (rb_getaddrinfo in ext/socket/raddrinfo.c) allows a remote attacker who can delay DNS responses near the user-specified timeout to crash a Ruby process that calls Addrinfo.getaddrinfo(..., timeout:) or Socket.tcp(..., resolv_timeout:). Memory-corruption-based exploitation is theoretically possible. The attack could, for example, be carried out through a crafted authoritative DNS server or recursive resolver.

Rincian

Terbit di NVD

22 Mei 2026

Terakhir diubah

23 Juli 2026

Status NVD

Analyzed

CVSS 3.1

8.1 (High), sumber mitre.org
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

EPSS (30 hari)

0,49% peluang dieksploitasi; lebih tinggi dari 40,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.ruby-lang.org/en/news/2026/05/20/getaddrinfo-cve-2026-46727/ advisory vendor
• https://hackerone.com/reports/3607434 permissions required