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CVE record · CVE-2023-27043

The email module of Python through 3.11.3 incorrectly parses e-mail addresses that contain a special character.

CVSS 5.3 MediumEPSS 0.025 · 84th percentile

Published by the CVE Program (CNA: mitre) at 18 Apr 2023, 00:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Not given Not given
  • affected n/a
Identifiers
CVE-2023-27043
CNA
mitre
Weakness (CWE)
CWE-20 · CWE-1286
Tags
Published
18 Apr 2023
Updated
12 May 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N ADP (CISA-ADP)
  • CISA KEV Not listed.
  • EPSS 0.025, the 84th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 18 Apr 2023. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.