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7.5Yüksek

CVE-2026-27858

Open-Xchange GmbH OX Dovecot Pro; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Red Hat Enterpris… Yayım: (7 ay önce)

Açıklama

Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory. Attacker can force managesieve-login to be unavailable by repeatedly crashing the process. Protect access to managesieve protocol, or install fixed version. No publicly available exploits are known.

Zayıflık türü (CWE): CWE-400CWE-770

Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.

Etkilenen ürünler ve sürümler

ÜreticiÜrünSürümler
dovecot dovecot < 2.4.3
open-xchange dovecot < 2.3.22.1
Open-Xchange GmbH OX Dovecot Pro ≤ 2.3.0, ≤ 3.1.0, ≤ 2.4.0
Red Hat Red Hat Enterprise Linux 10 all versions
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support all versions
Red Hat Red Hat Enterprise Linux 6 all versions
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support all versions
Red Hat Red Hat Enterprise Linux 8 all versions
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support all versions
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On all versions
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support all versions
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service all versions
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service all versions
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 9 all versions
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support all versions
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support all versions

Kaynaklar ve yamalar

CPE eşleşmeleri (NVD) (4)
  • cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* < 2.4.3
  • cpe:2.3:a:open-xchange:dovecot:*:*:*:*:pro:*:*:* < 2.3.22.1
  • cpe:2.3:a:open-xchange:dovecot:*:*:*:*:pro:*:*:* ≥ 3.0.0 < 3.0.5
  • cpe:2.3:a:open-xchange:dovecot:*:*:*:*:pro:*:*:* ≥ 3.1.0 < 3.1.4

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