Buffer overflow in PostgreSQL
CVE-2026-2007
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- PostgreSQL
- PostgreSQL — versions 18
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-2007?
- CVE-2026-2007 is a high-severity vulnerability in PostgreSQL, classified under Heap-based Buffer Overflow. CVSS score: 8.2/10. Published 2026-02-12.
- How severe is CVE-2026-2007?
- High severity. CVSS v3 base score is 8.2 out of 10.