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CVE-2021-3426

🗓️ 20 May 2021 00:00:00Reported by redhatType 
cve
 cve🔗 web.nvd.nist.gov📰️ 6 Media mentions👁 1877 Views

Flaw in Python 3's pydoc could lead to data disclosur

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Vulnerabilities in the Linux Kernel, Docker, Python, and NGINX affect IBM Spectrum Protect Plus
10 Dec 202118:57
–ibm
IBM Security Bulletins		Security Bulletin: Cloud Pak for Security uses packages that are vulnerable to multiple CVEs
29 Apr 202502:13
–ibm
Tenable Nessus		Amazon Linux 2 : python3 (ALAS-2021-1640)
24 May 202100:00
–nessus
Tenable Nessus		Amazon Linux AMI : python35 (ALAS-2021-1498)
12 May 202100:00
–nessus
Tenable Nessus		Amazon Linux AMI : python36 (ALAS-2021-1500)
19 May 202100:00
–nessus
Tenable Nessus		Amazon Linux AMI : python34 (ALAS-2021-1504)
24 May 202100:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0170: python3 (ALINUX3-SA-2022:0170)
14 May 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0262: python38:3.8 and python38-devel:3.8 (ALINUX3-SA-2024:0262)
14 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : python3 (ALSA-2021:4399)
17 Mar 202200:00
–nessus
Tenable Nessus		CentOS 8 : python39:3.9 and python39-devel:3.9 (CESA-2021:4160)
11 Nov 202100:00
–nessus
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NVD
Vulners
Node
pythonpythonRange<2.7.18
OR
pythonpythonRange3.6.0–3.6.13
OR
pythonpythonRange3.7.0–3.7.10
OR
pythonpythonRange3.8.0–3.8.8
OR
pythonpythonRange3.9.0–3.9.3
OR
pythonpythonMatch3.10.0alpha1
OR
pythonpythonMatch3.10.0alpha2
OR
pythonpythonMatch3.10.0alpha3
OR
pythonpythonMatch3.10.0alpha4
OR
pythonpythonMatch3.10.0alpha5
OR
pythonpythonMatch3.10.0alpha6
Node
fedoraprojectfedoraMatch32
OR
fedoraprojectfedoraMatch33
OR
fedoraprojectfedoraMatch34
Node
debiandebian_linuxMatch9.0
Node
redhatsoftware_collectionsMatch-
OR
redhatenterprise_linuxMatch8.0
Node
netappcloud_backupMatch-
OR
netappontap_select_deploy_administration_utilityMatch-
OR
netappsnapcenterMatch-
Node
oraclecommunications_cloud_native_core_binding_support_functionMatch1.10.0
OR
oraclezfs_storage_appliance_kitMatch8.8
[
  {
    "vendor": "n/a",
    "product": "python",
    "versions": [
      {
        "version": "python 3.8.9, python 3.9.3, python 3.10.0a7",
        "status": "affected"
      }
    ]
  }
]
SourceLink
listswww.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25HVHLBGO2KNPXJ3G426QEYSSCECJDU5/
listswww.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LM5V4VPLBHBEASSAROYPSHXGXGGPHNOE/
listswww.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N6VXJZSZ6N64AILJX4CTMACYGQGHHD5C/
securitywww.security.gentoo.org/glsa/202104-04
listswww.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VPX7Y5GQDNB4FJTREWONGC4ZSVH7TGHF/
listswww.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BF2K7HEWADHN6P52R3QLIOX27U3DJ4HI/
bugzillawww.bugzilla.redhat.com/show_bug.cgi
listswww.lists.debian.org/debian-lts-announce/2021/04/msg00005.html
oraclewww.oracle.com/security-alerts/cpuoct2021.html
securitywww.security.netapp.com/advisory/ntap-20210629-0003/
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17 Jun 2026 04:05Current
5.6Medium risk
Vulners AI Score5.6
CVSS 22.7
CVSS 3.15.7
EPSS0.01863
SSVC
CWE-200CWE-22
cve-2021-3426pythonpydocdata confidentialityvulnerabilitynvdsecurityinformation disclosure
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