eventlet before 0.35.2, as used in dnspython before 2.6.0, allows remote attackers to interfere with DNS name resolution by quickly sending an invalid packet from the expected IP address and source port, aka a "TuDoor" attack. In other words, dnspython does not have the preferred behavior in which the DNS name resolution algorithm would proceed, within the full time window, in order to wait for a valid packet. NOTE: dnspython 2.6.0 is unusable for a different reason that was addressed in 2.6.1.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-3rq5-2g8h-59hc Potential DoS via the Tudoor mechanism in eventlet and dnspython
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 05 Nov 2025 03:30:00 +0900


Wed, 05 Nov 2025 03:15:00 +0900

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 16 Jul 2025 22:45:00 +0900

Type Values Removed Values Added
Metrics epss

{'score': 0.01121}

epss

{'score': 0.03636}


Wed, 18 Jun 2025 06:15:00 +0900

Type Values Removed Values Added
First Time appeared Dnspython
Dnspython dnspython
Eventlet
Eventlet eventlet
Fedoraproject
Fedoraproject fedora
Netapp
Netapp bootstrap Os
Netapp hci Compute Node
CPEs cpe:2.3:a:dnspython:dnspython:*:*:*:*:*:*:*:*
cpe:2.3:a:eventlet:eventlet:*:*:*:*:*:*:*:*
cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:*
Vendors & Products Dnspython
Dnspython dnspython
Eventlet
Eventlet eventlet
Fedoraproject
Fedoraproject fedora
Netapp
Netapp bootstrap Os
Netapp hci Compute Node

Wed, 13 Nov 2024 11:45:00 +0900

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:9

Wed, 28 Aug 2024 05:00:00 +0900

Type Values Removed Values Added
Weaknesses CWE-292
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H'}


Thu, 08 Aug 2024 04:15:00 +0900

Type Values Removed Values Added
CPEs cpe:/a:redhat:openshift:4.14::el9

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-04T17:12:31.047Z

Reserved: 2023-04-07T00:00:00.000Z

Link: CVE-2023-29483

cve-icon Vulnrichment

Updated: 2025-11-04T17:12:31.047Z

cve-icon NVD

Status : Modified

Published: 2024-04-11T14:15:12.010

Modified: 2025-11-04T18:15:40.230

Link: CVE-2023-29483

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-02-09T00:00:00Z

Links: CVE-2023-29483 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses