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CVE-2026-63447 Suricata ftp: crafted FTP traffic can cause quadratic CPU consumption

🗓️ 18 Sep 2026 20:21:06Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 50 Views

Quadratic CPU DoS in Suricata 8.0.5-8.0.6 FTP parser via oversized transaction list.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-63447
18 Sep 202623:02
–circl
cve
CVE
CVE-2026-63447
18 Sep 202620:21
–cve
debiancve
Debian CVE
CVE-2026-63447
18 Sep 202620:21
–debiancve
euvd
EUVD
EUVD-2026-83394
18 Sep 202620:21
–euvd
mend
Mend
CVE-2026-63447
18 Sep 202620:21
–mend
nvd
NVD
CVE-2026-63447
18 Sep 202621:17
–nvd
osv
OSV
DEBIAN-CVE-2026-63447
18 Sep 202621:17
–osv
osv
OSV
UBUNTU-CVE-2026-63447
18 Sep 202621:17
–osv
ptsecurity
Positive Technologies
PT-2026-95653
21 Jul 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-63447: Inefficient Algorithmic Complexity
18 Sep 202600:00
–rapid7
Rows per page
[
  {
    "vendor": "OISF",
    "product": "suricata",
    "versions": [
      {
        "version": ">= 8.0.5, < 8.0.6",
        "status": "affected"
      }
    ]
  }
]

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18 Sep 2026 20:21Current
CVSS 3.17.5
EPSS0.0063
SSVC
50