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CVE-2026-42245 net-imap: Quadratic complexity when reading response literals

🗓️ 09 May 2026 19:37:08Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

Net::IMAP ResponseReader has quadratic time on large literal responses, causing CPU DoS; fixed in the patched versions.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-42245
9 May 202619:37
attackerkb
Tenable Nessus
Amazon Linux 2023 : ruby3.4, ruby3.4-bundled-gems, ruby3.4-default-gems (ALAS2023-2026-1807)
8 Jun 202600:00
nessus
Tenable Nessus
Ruby net-imap < 0.4.24 / 0.5.x < 0.5.14 / 0.6.x < 0.6.4 Multiple Vulnerabilities
8 May 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-42245
20 May 202600:00
nessus
Amazon
Important: ruby3.4
8 Jun 202600:00
amazon
Chainguard
CVE-2026-42245 vulnerabilities
6 May 202601:17
cgr
Circl
CVE-2026-42245
9 May 202621:13
circl
CNNVD
Net::IMAP 安全漏洞
9 May 202600:00
cnnvd
CVE
CVE-2026-42245
9 May 202619:37
cve
Debian CVE
CVE-2026-42245
9 May 202619:37
debiancve
Rows per page
[
  {
    "vendor": "ruby",
    "product": "net-imap",
    "versions": [
      {
        "version": "< 0.4.24",
        "status": "affected"
      },
      {
        "version": ">= 0.5.0, < 0.5.14",
        "status": "affected"
      },
      {
        "version": ">= 0.6.0, < 0.6.4",
        "status": "affected"
      }
    ]
  }
]

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