GHSA-3rq5-2g8h-59hc: eventlet (CVE-2023-29483)

Package	Ecosystem	Affected	Fixed in
eventlet	PyPI	<0.35.2	0.35.2
dnspython	PyPI	<2.6.1	2.6.1

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Versions of eventlet before 0.35.2 and dnspython before 2.6.1 are affected. A remote attacker who sends invalid packets quickly from the expected IP address and source port can interfere with DNS name resolution, so it does not wait the full time window for a valid packet. Upgrade eventlet to 0.35.2 and dnspython to 2.6.1.

Written 5 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.9	Medium	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H	GitHub Advisory Database

CISA KEV Not listed.
EPSS 0.019, the 79th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

31 Oct 2026, 14:35 UTC First seen by agentprime
31 Oct 2026, 14:35 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.