BIT-postgresql-2026-2003

vendorUSosv

PostgreSQL oidvector discloses a few bytes of memory

view advisory published 2026-02-16Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-2003US	—	0.32% (25th)	—	2026-02-12
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…

references

External citations — patches, advisories, analysis.

https://nvd.nist.gov/vuln/detail/CVE-2026-2003WEB
https://www.postgresql.org/support/security/CVE-2026-2003/ADVISORY

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