CVE-2025-61021 SQL injection in n/a

High 7.5 Published Updated

Attackers can cause a Denial of Service in Virtuoso database via crafted SQL statements exploiting a SQL injection flaw.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2025-61021?

CVE-2025-61021 is a high-severity SQL injection vulnerability in n/a, published on 23 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue in the sqlo_natural_join_cond component of openlink virtuoso-opensource v7.2.11 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

Weakness: CWE-89

Which versions are affected by CVE-2025-61021?

Linux distribution packages (3)
virtuoso-opensource Red Hat:rhel_els:7All versions1:6.1.6-9.el7_9
virtuoso-opensource-debuginfo Red Hat:rhel_els:7All versions1:6.1.6-9.el7_9
virtuoso-opensource-utils Red Hat:rhel_els:7All versions1:6.1.6-9.el7_9

How do I fix CVE-2025-61021?

Apply the vendor's patch.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2025-61021 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-61021 exists.

Sources

Also known as DEBIAN-CVE-2025-61021, GHSA-7q5w-m9wx-x74m, RHSA-2026:66026, UBUNTU-CVE-2025-61021.

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