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CVE-2026-76840 RustDesk through 1.4.9 Heap Buffer Overflow via Unvalidated CLIPRDR FileContentsResponse Length

🗓️ 24 Aug 2026 13:11:58Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 77 Views

Heap buffer overflow in RustDesk through 1.4.9 via unvalidated CLIPRDR FileContentsResponse length.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-76840
24 Aug 202614:10
–circl
cve
CVE
CVE-2026-76840
24 Aug 202613:11
–cve
euvd
EUVD
EUVD-2026-64846
24 Aug 202613:11
–euvd
mend
Mend
CVE-2026-76840
24 Aug 202613:11
–mend
nvd
NVD
CVE-2026-76840
24 Aug 202614:17
–nvd
osv_cve
osv_cve
CVE-2026-68579 FreeRDP before 3.30.0 Heap Overflow via CliprdrStream_Read
2 Aug 202612:15
–osv_cve
ptsecurity
Positive Technologies
PT-2026-80850
24 Aug 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-76840: Out-of-bounds Write
24 Aug 202600:00
–rapid7
redos
Redos
ROS-20261022-73-0029
22 Oct 202600:00
–redos
vulnrichment
Vulnrichment
CVE-2026-76840 RustDesk through 1.4.9 Heap Buffer Overflow via Unvalidated CLIPRDR FileContentsResponse Length
24 Aug 202613:11
–vulnrichment
[
  {
    "vendor": "rustdesk",
    "product": "rustdesk",
    "collectionURL": "https://github.com/rustdesk/rustdesk",
    "packageName": "rustdesk",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThanOrEqual": "1.4.9",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

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01 Oct 2026 15:21Current
CVSS 48.5
CVSS 3.19.6
EPSS0.00433
SSVC
77