CVE-2026-2003
Last modified
CVE-2026-2003 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Improper validation of type "oidvector" in PostgreSQL allows a database user to disclose a few bytes of server memory. We have not ruled out viability of attacks that arrange for presence of confidential information in disclosed bytes, but they seem unlikely. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
Improper validation of type "oidvector" in PostgreSQL allows a database user to disclose a few bytes of server memory. We have not ruled out viability of attacks that arrange for presence of confidential information in disclosed bytes, but they seem unlikely. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 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, < 14.21 |
| Postgresql | Postgresql | >= 15.0, < 15.16 |
| Postgresql | Postgresql | >= 16.0, < 16.12 |
| Postgresql | Postgresql | >= 17.0, < 17.8 |
| Postgresql | Postgresql | >= 18.0, < 18.2 |
References
- https://www.postgresql.org/support/security/CVE-2026-2003/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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