Fiona affected by CVE-2020-14152 related to madler-zlib
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- Denial of service
- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-400.
Summary
### Summary Vulnerability scan of fiona shows [CVE-2020-14152](https://nvd.nist.gov/vuln/detail/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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | fiona (PyPI) | before 1.10b2 | 1.10b2 | Patch available | GHSA-g4m4-9q4c-mfw6 |
- fiona (PyPI) Vendor— Affected before 1.10b2 Fixed in 1.10b2 Patch available GHSA-g4m4-9q4c-mfw6
Remediation
- Fix · GHSA-g4m4-9q4c-mfw6 fiona (PyPI) Fixed in 1.10b2 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-g4m4-9q4c-mfw6
References
Other 6
- https://github.com/Toblerity/Fiona/security/advisories/GHSA-g4m4-9q4c-mfw6
- https://github.com/libjpeg-turbo/libjpeg-turbo/issues/500
- https://github.com/OSGeo/gdal/commit/075480a3cba13c9dd2ab4e39e92d6147a6c98eca
- https://github.com/Toblerity/Fiona/commit/07708211726e276e22dedb9cd567b4f6a7b8c809
- https://github.com/libjpeg-turbo/libjpeg-turbo/commit/da2a27ef056a0179cbd80f9146e58b89403d9933
- https://github.com/Toblerity/Fiona
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences