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CVE-2026-42859

🗓️ 11 May 2026 17:36:08Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 50 Views

Unauthenticated attacker can overflow RSA-AES handshake in Neat VNC before 0.9.6, causing server crash.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-42859
11 May 202617:36
–attackerkb
cnnvd
CNNVD
Neat VNC security vulnerability
11 May 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-42859 Neat VNC: Buffer overflow due to oversized RSA public keys
11 May 202617:36
–cvelist
debiancve
Debian CVE
CVE-2026-42859
11 May 202617:36
–debiancve
euvd
EUVD
EUVD-2026-29167
11 May 202617:36
–euvd
mend
Mend
CVE-2026-42859
11 May 202617:36
–mend
nvd
NVD
CVE-2026-42859
11 May 202618:16
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-42859
11 May 202618:16
–osv_debian
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-42859
11 May 202618:16
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-39714
11 May 202600:00
–ptsecurity
Rows per page
Vulners
Node
any1neatvncRange<0.9.6
[
  {
    "vendor": "any1",
    "product": "neatvnc",
    "versions": [
      {
        "version": "< 0.9.6",
        "status": "affected"
      }
    ]
  }
]

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26 Oct 2026 18:10Current
6.2Medium risk
Vulners AI Score6.2
CVSS 49.3
EPSS0.00631
SSVC
50