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Vulnerability · NVD

CVE-2019-9636

CVE-2019-9636, critical severity (CVSS 9.8): 3 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS)
9.8

NVD scale

Exploitation
8.8 %

EPSS, predicted over 30 days

Tracked apps
3
Still exposed
0

Python 2.7.x through 2.7.16 and 3.x through 3.7.2 is affected by: Improper Handling of Unicode Encoding (with an incorrect netloc) during NFKC normalization. The impact is: Information disclosure (credentials, cookies, etc. that are cached against a given hostname). The components are: urllib.parse.urlsplit, urllib.parse.urlparse. The attack vector is: A specially crafted URL could be incorrectly parsed to locate cookies or authentication data and send that information to a different host than when parsed correctly. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.

Attack vector : Network No privileges required No user interaction
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS 8.81% above median percentile 95.1%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

  • Python 3.12 Windows winget:Python.Python.3.12
    Affected ≥2.7.0 <2.7.17 Fixed in 2.7.17 Latest tracked 3.12.10 patched
  • Python 3.13 Windows winget:Python.Python.3.13
    Affected ≥2.7.0 <2.7.17 Fixed in 2.7.17 Latest tracked 3.13.15 patched
  • Python 3.14 Windows winget:Python.Python.3.14
    Affected ≥2.7.0 <2.7.17 Fixed in 2.7.17 Latest tracked 3.14.7 patched

NVD references 16 distinct products for this CVE : only those tracked by Scout (mobile and desktop catalog apps) are listed above. Libraries, servers and out-of-scope products do not appear here. Full list on NVD ↗

Vulnerable CPE configurations (5)
Vendor Product Versions
python python
All platforms (wildcard)
 ≥2.7.0 <2.7.17
python python
All platforms (wildcard)
 ≥3.0.0 <3.4.10
python python
All platforms (wildcard)
 ≥3.5.0 <3.5.7
python python
All platforms (wildcard)
 ≥3.6.0 <3.6.9
python python
All platforms (wildcard)
 ≥3.7.0 <3.7.3
View on NVD ↗ Advisory · bugs.python.org Advisory · github.com Advisory · python-security.readthedocs.io

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