Heap buffer overflow in PostgreSQL pg_trgm allows a database user to achieve unknown impacts via a crafted input string. The attacker has limited control over the byte patterns to be written, but we have not ruled out the viability of attacks that lead to privilege escalation. PostgreSQL 18.1 and 18.0 are affected.
CVE-2026-2007
Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-02-12. NVD baseline CVSS 8.2; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 8.2
- EG Score
- 8.2(medium)
- EPSS
- 38.6%
- KEV
- Not listed
Published
February 12, 2026
Last Modified
July 15, 2026
Advisory Details (1)
Auto-updated Jun 10, 2026PostgreSQL: CVE-2026-2007: PostgreSQL pg_trgm heap buffer overflow writes pattern onto server memory
https://www.postgresql.org/support/security/CVE-2026-2007/Vendor Advisories for CVE-2026-2007(3)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2026:19009Red Hat Product SecurityHigh
Red Hat Security Advisory: postgresql18 security update
- RHSA-2026:8756Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
- GHSA-5pr9-9395-q5gqGitHub Security AdvisoriesHigh
Heap buffer overflow in PostgreSQL pg_trgm allows a database user to achieve unknown impacts via...
Patch Availability(2)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | postgresql18-0:18.3-1.el10_2 | 2026-05-19 | redhat |
| redhat | postgresql18-main-18.3-1.2.hum1 | 2026-04-17 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 14× in last 7d / 48× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 105 total refreshes for this CVE.
- 2026-07-22 14:08 UTCEPSS rescore
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- 2026-06-12 03:56 UTCVendor advisory
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Frequently asked(5)
What is CVE-2026-2007?
When was CVE-2026-2007 disclosed?
Is CVE-2026-2007 actively exploited?
What is the CVSS score of CVE-2026-2007?
How do I remediate CVE-2026-2007?
Dependency Blast Radius
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