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CVE-2026-77638

🗓️ 20 Aug 2026 20:52:29Reported by mitreType 
cve
 cve
🔗 web.nvd.nist.gov👁 56 Views

Tor before 0.4.9.11 race condition lets rendezvous point impersonate an onion service via MITM.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-77638
20 Aug 202622:00
–circl
cvelist
Cvelist
CVE-2026-77638
20 Aug 202620:52
–cvelist
debiancve
Debian CVE
CVE-2026-77638
20 Aug 202620:52
–debiancve
euvd
EUVD
EUVD-2026-63647
20 Aug 202620:52
–euvd
fedora
Fedora
[SECURITY] Fedora 43 Update: tor-0.4.9.14-1.fc43
17 Oct 202601:33
–fedora
fedora
Fedora
[SECURITY] Fedora 44 Update: tor-0.4.9.14-1.fc44
17 Oct 202601:07
–fedora
nessus
Tenable Nessus
Fedora 43 : tor (2026-8a3e460f1e)
17 Oct 202600:00
–nessus
nessus
Tenable Nessus
Fedora 44 : tor (2026-f51af3db87)
17 Oct 202600:00
–nessus
nessus
Tenable Nessus
openSUSE 16 Security Update : tor (openSUSE-SU-2026:21660-1)
28 Aug 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-77638
21 Aug 202600:00
–nessus
Rows per page
NVD
Vulners
CNA
Node
torprojecttorRange<0.4.9.11
[
  {
    "defaultStatus": "unaffected",
    "product": "Tor",
    "vendor": "torproject",
    "versions": [
      {
        "lessThan": "0.4.9.11",
        "status": "affected",
        "version": "0.3.5.3-alpha",
        "versionType": "custom"
      }
    ]
  }
]

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18 Oct 2026 20:10Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.9 - 9
EPSS0.00299
SSVC
56