CVE-2026-2007
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 0.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.5% · EPSS, next 30 days
- Weakness
- CWE-122
- Record status
- Modified
Affected
- PostgreSQL < 18.2
Attack profile CVSS 3.1 · 8.2
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Fix and advisories
References
- https://www.postgresql.org/support/security/CVE-2026-2007/
- https://access.redhat.com/errata/RHSA-2026:19009
- https://access.redhat.com/errata/RHSA-2026:8756
- https://access.redhat.com/security/cve/CVE-2026-2007
- https://bugzilla.redhat.com/show_bug.cgi?id=2439320
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2007.json