CVE-2026-42256

Katalog CVE

CVSS 6.5 · Medium EPSS 0,52%

Kerentanan Allocation of Resources Without Limits or Throttling pada ruby-lang net. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. From versions 0.4.0 to before 0.4.24, 0.5.0 to before 0.5.14, and 0.6.0 to before 0.6.4, when authenticating a connection with SCRAM-SHA1 or SCRAM-SHA256, a hostile server can perform a computational denial-of-service attack on the client process by sending a big iteration count value. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4.

Rincian

Terbit di NVD

9 Mei 2026

Terakhir diubah

24 Juli 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-770: Allocation of Resources Without Limits or Throttling
CWE-1322: Use of Blocking Code in Single-threaded, Non-blocking Context

EPSS (30 hari)

0,52% peluang dieksploitasi; lebih tinggi dari 42,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/ruby/net-imap/security/advisories/GHSA-87pf-fpwv-p7m7 mitigasi · advisory vendor
• https://github.com/ruby/net-imap/commit/158d0b505074397cdb5ceb58935e42dd2bcfa612 patch
• https://github.com/ruby/net-imap/commit/808001bc45c06f7297a7e96d341279e041a7f7f4 patch
• https://github.com/ruby/net-imap/commit/99f59eab6064955a23debd95410263ad144df758 patch
• https://github.com/ruby/net-imap/releases/tag/v0.4.24 release notes
• https://github.com/ruby/net-imap/releases/tag/v0.5.14 release notes
• https://github.com/ruby/net-imap/releases/tag/v0.6.4 release notes