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🛡️ CVE-2023-36543 on PyPI (Root.io) — rootio-apache-airflow

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2023-36543 in rootio-apache-airflow - Patched by Root

Root has patched CVE-2023-36543 in the rootio-apache-airflow package for Root:PyPI. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2023-36543 as tracked by PyPI (Root.io), for the package rootio-apache-airflow. The fix is available in version 2.3.3+root.io.5; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high. (rating taken from the base CVE record.)

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: Low — an ordinary user account is enough.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: None.
  • Integrity impact: None.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

ROOT-APP-PYPI-CVE-2023-36543 is classified as CWE-1333: Inefficient Regular Expression Complexity. A regular expression backtracks catastrophically on crafted input, consuming CPU out of proportion to input size.

Affected software

ROOT-APP-PYPI-CVE-2023-36543 is recorded against 1 package.

  • rootio-apache-airflow (fixed in 2.3.3+root.io.5)

Timeline and source

Published on 20 February 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

Other advisories for this package

rootio-apache-airflow has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-1333: Inefficient Regular Expression Complexity) in other software:

CVE-2023-36543 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-02-20
Updated 2026-08-20
Modified 2026-02-20
Fix URL N/A

Affected Packages

Software From version Fixed in
rootio-apache-airflow — 2.3.3+root.io.5

References

N/A

Site Security Check

Is rootio-apache-airflow part of your stack?

ROOT-APP-PYPI-CVE-2023-36543 is rated CVSS 8.0 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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