CVE-2026-14678
Last modified
CVE-2026-14678 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Buffer over-read in PostgreSQL pg_trgm index picksplit function reads past end of a heap buffer. This might allow a table maintainer to infer limited memory values, via the lossy signal of index split choices. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
Buffer over-read in PostgreSQL pg_trgm index picksplit function reads past end of a heap buffer. This might allow a table maintainer to infer limited memory values, via the lossy signal of index split choices. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Postgresql | Postgresql | >= 14.0, < 14.24 |
| Postgresql | Postgresql | >= 15.0, < 15.19 |
| Postgresql | Postgresql | >= 16.0, < 16.15 |
| Postgresql | Postgresql | >= 17.0, < 17.11 |
| Postgresql | Postgresql | >= 18.0, < 18.5 |
References
- https://www.postgresql.org/support/security/CVE-2026-14678/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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