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CVE-2026-55206

🗓️ 08 Jul 2026 20:32:09Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 83 Views

Fixes an O(n^2) denial of service in PackInfo.read() of py7zr before version 1.1.3.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-55206
8 Jul 202620:32
–attackerkb
circl
Circl
CVE-2026-55206
19 Jun 202609:32
–circl
cvelist
Cvelist
CVE-2026-55206 py7zr: O(n^2) algorithmic complexity DoS in PackInfo._read()
8 Jul 202620:32
–cvelist
debiancve
Debian CVE
CVE-2026-55206
8 Jul 202620:32
–debiancve
euvd
EUVD
EUVD-2026-42397
8 Jul 202620:32
–euvd
github
Github Security Blog
py7zr: O(n^2) algorithmic complexity DoS in PackInfo._read()
19 Jun 202621:16
–github
mend
Mend
CVE-2026-55206
8 Jul 202620:32
–mend
nvd
NVD
CVE-2026-55206
8 Jul 202621:16
–nvd
nessus
Tenable Nessus
openSUSE 16 Security Update : python-py7zr (openSUSE-SU-2026:21159-1)
1 Jul 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-55206
10 Jul 202600:00
–nessus
Rows per page
Vulners
Node
[
  {
    "vendor": "miurahr",
    "product": "py7zr",
    "versions": [
      {
        "version": "< 1.1.3",
        "status": "affected"
      }
    ]
  }
]

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25 Oct 2026 17:10Current
5.9Medium risk
Vulners AI Score5.9
CVSS 48.7
EPSS0.00321
SSVC
83