High severity8.2NVD Advisory· Published Mar 8, 2023· Updated Jun 17, 2026
CVE-2023-27476
CVE-2023-27476
Description
OWSLib is a Python package for client programming with Open Geospatial Consortium (OGC) web service interface standards, and their related content models. OWSLib's XML parser (which supports both lxml and xml.etree) does not disable entity resolution, and could lead to arbitrary file reads from an attacker-controlled XML payload. This affects all XML parsing in the codebase. This issue has been addressed in version 0.28.1. All users are advised to upgrade. The only known workaround is to patch the library manually. See GHSA-8h9c-r582-mggc for details.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
OWSLibPyPI | < 0.28.1 | 0.28.1 |
Affected products
3Patches
Vulnerability mechanics
References
11- github.com/geopython/OWSLib/pull/863/commits/b92687702be9576c0681bb11cad21eb631b9122fnvdPatchWEB
- github.com/advisories/GHSA-8h9c-r582-mggcghsaADVISORY
- github.com/geopython/OWSLib/security/advisories/GHSA-8h9c-r582-mggcnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2023-27476ghsaADVISORY
- securitylab.github.com/advisories/GHSL-2022-131_owslibghsaADVISORY
- github.com/geopython/OWSLib/pull/863ghsaWEB
- github.com/geopython/OWSLib/releases/tag/0.28.1ghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/owslib/PYSEC-2023-86.yamlghsaWEB
- lists.debian.org/debian-lts-announce/2023/06/msg00032.htmlnvdWEB
- securitylab.github.com/advisories/GHSL-2022-131_owslib/nvdBroken Link
- www.debian.org/security/2023/dsa-5426nvdWEB
News mentions
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