MEDIUM6.5

PYSEC-2026-895

libpg_query memory leak

Quick fix

PYSEC-2026-895 — pglast: upgrade to the fixed version with the command below.

pip install --upgrade 'pglast>=0.28'

Details

An issue was discovered in libpg_query 10-1.0.2. There is a memory leak in pg_query_raw_parse in pg_query_parse.c, which might lead to a denial of service.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/pglast

Introduced in: 0Fixed in: 0.28

Fixpip install --upgrade 'pglast>=0.28'

References

https://nvd.nist.gov/vuln/detail/CVE-2018-18482[ADVISORY]
https://github.com/lfittl/libpg_query/issues/49[WEB]
https://github.com/lelit/pglast[PACKAGE]
https://github.com/pypa/advisory-database/tree/main/vulns/pg-query/PYSEC-2018-154.yaml[WEB]
https://pypi.org/project/pglast[PACKAGE]
https://github.com/advisories/GHSA-vm3q-58wm-2r2x[ADVISORY]