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CVE-2026-55206

🗓️ 08 Jul 2026 20:32:09Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 36 Views

py7zr before 1.1.3 had an O(n^2) sum in PackInfo.read causing CPU exhaustion during init.

Related
Packages
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-55206
8 Jul 202620:32
–attackerkb
circl
Circl
CVE-2026-55206
19 Jun 202609:32
–circl
cve
CVE
CVE-2026-55206
8 Jul 202620:32
–cve
cvelist
Cvelist
CVE-2026-55206 py7zr: O(n^2) algorithmic complexity DoS in PackInfo._read()
8 Jul 202620:32
–cvelist
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
OSOS VersionArchitecturePackagePackage VersionFilename
Debian12allpy7zr0.11.3+dfsg-5py7zr_0.11.3+dfsg-5_all.deb
Debian13allpy7zr0.22.0+dfsg-1py7zr_0.22.0+dfsg-1_all.deb
Debian14allpy7zr1.1.3+dfsg-1py7zr_1.1.3+dfsg-1_all.deb
Debian999allpy7zr1.1.3+dfsg-1py7zr_1.1.3+dfsg-1_all.deb

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08 Jul 2026 20:32Current
5.9Medium risk
Vulners AI Score5.9
CVSS 48.7
EPSS0.00321
SSVC
36