Vulnerability · NVD

CVE-2023-27043

CVE-2023-27043, rated medium by the vendor: 3 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 5.3
Exploitation: 2.5 %
Tracked apps: 3
Still exposed: 0

Vendor bulletin scale : NVD CVSS pending Published on 2023-04-19

The email module of Python through 3.11.3 incorrectly parses e-mail addresses that contain a special character. The wrong portion of an RFC2822 header is identified as the value of the addr-spec. In some applications, an attacker can bypass a protection mechanism in which application access is granted only after verifying receipt of e-mail to a specific domain (e.g., only @company.example.com addresses may be used for signup). This occurs in email/_parseaddr.py in recent versions of Python.

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:N/I:L/A:N

EPSS 2.53% above median percentile 84.3%

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 ≥3.12.0 <3.12.6 Fixed in 3.12.6 Latest tracked 3.12.10 patched

Observed affected builds (6)

3.12.5 3.12.4 3.12.3 3.12.2 3.12.1 3.12.0
Python 3.13 Windows winget:Python.Python.3.13

Affected ≤2.7.18 Fixed in > 2.7.18 Latest tracked 3.13.15 patched
Python 3.14 Windows winget:Python.Python.3.14

Affected ≤2.7.18 Fixed in > 2.7.18 Latest tracked 3.14.7 patched

OS versions that fix this CVE

This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.

macOS Fixed in 15.4

Vulnerable CPE configurations (6)

Vendor	Product	Platform	Versions	CPE 2.3 URI
python	python All platforms (wildcard)	All platforms (wildcard)	≤2.7.18	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.0 <3.8.20	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.9.0 <3.9.20	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.10.0 <3.10.15	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.11.0 <3.11.10	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.12.0 <3.12.6	cpe:2.3:a:python:python::::::::

View on NVD ↗ Advisory · python.org Advisory · python-security.readthedocs.io

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