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CVE-2026-56740

🗓️ 17 Jul 2026 21:17:03Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

JLine remote server unauthenticated NEW-ENVIRON flood exhausts heap; fixed 3.30.14, 4.0.16, 4.2.1.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-56740
17 Jul 202621:17
attackerkb
Circl
CVE-2026-56740
18 Jul 202600:24
circl
Cvelist
CVE-2026-56740 JLine: Unauthenticated Remote Memory Exhaustion via Unbounded Telnet NEW-ENVIRON Variables
17 Jul 202621:17
cvelist
EUVD
EUVD-2026-45343
17 Jul 202621:17
euvd
NVD
CVE-2026-56740
17 Jul 202622:17
nvd
OSV
DEBIAN-CVE-2026-56740
17 Jul 202622:17
osv
Positive Technologies
PT-2026-60884
17 Jul 202600:00
ptsecurity
Vulners
Node
OR
jlinejline3Range<3.30.14
jlinejline3Range4.0.04.0.16
jlinejline3Range4.1.04.2.1
[
  {
    "vendor": "jline",
    "product": "jline3",
    "versions": [
      {
        "version": "< 3.30.14",
        "status": "affected"
      },
      {
        "version": ">= 4.0.0, < 4.0.16",
        "status": "affected"
      },
      {
        "version": ">= 4.1.0, < 4.2.1",
        "status": "affected"
      }
    ]
  }
]

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17 Jul 2026 22:17Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.5
8