CVE-2018-18482

MEDIUMNVD 6.5

6.5

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.

CVSS v3: 6.5
EG Score: —
EPSS: 51.9%
KEV: Not listed

Published

October 18, 2018

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://github.com/lfittl/libpg_query/issues/49
af854a3a-2127-422b-91ae-364da2661108https://github.com/lfittl/libpg_query/issues/49

Affected Packages

(2 across 1 ecosystem)

PyPI(2)

Package	Vulnerable range	Fixed in	Dependents
pglast	—	0.28	—
pg-query	0.1 ... 0.9 (27 versions)	0.28	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-772Missing Release of Resource after Effective Lifetime

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-18482?

CVE-2018-18482 is a medium vulnerability published on October 18, 2018. An issue was discovered in libpgquery 10-1.0.2. There is a memory leak in pgqueryrawparse in pgqueryparse.c, which might lead to a denial of service.

When was CVE-2018-18482 disclosed?

CVE-2018-18482 was first published in the National Vulnerability Database on October 18, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-18482 actively exploited?

CVE-2018-18482 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 51.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-18482?

CVE-2018-18482 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2018-18482?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-18482, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-18482

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