High

Fiona affected by CVE-2020-14152 related to madler-zlib

  • Disclosed: 16.07.2024
  • Updated: 11.10.2026 12:18

Summary

Vulnerability scan of fiona shows CVE-2020-14152. The vulnerability is in libjpeg, a transitive dependency of fiona (via GDAL and PROJ).

Details

In IJG JPEG (aka libjpeg) before 9d, jpeg_mem_available() in jmemnobs.c in djpeg does not honor the max_memory_to_use setting, possibly causing excessive memory consumption.

Impact

fiona will not open JPEG files and is not vulnerable to attack in that way. fiona might be vulnerable to malformed PROJ grid files using JPEG compression. No such vulnerability or compromise has been demonstrated.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) fiona < 1.10b2 1.10b2

References

CVSS score 7.1/10
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Weakness (CWE)
CWE-400
Platform
Python (PyPI)
Package
fiona
Disclosed
16.07.2024
Updated
11.10.2026 12:18

Sources and licenses

OSV / GitHub Advisory Database - GHSA-g4m4-9q4c-mfw6 - CC BY 4.0

Vulnerability history: fiona

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
2
First → latest
07.2024 07.2024
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 1

Disclosures per year

  1. 2024: 2
  2. 2025: 0
  3. 2026: 0
  1. Critical · 9.8 ghsa-q5fm-55c2-v6j9 < 1.10b1 1.10b1
  2. Fiona affected by CVE-2020-14152 related to madler-zlib this entry
    High · 7.1 ghsa-g4m4-9q4c-mfw6 < 1.10b2 1.10b2

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