Server crash via crafted SQL compilation
Published Jun 23, 2026 · Updated Jun 23, 2026
SQL compiler denial of service in OpenLink Virtuoso Open Source 7.2.11 allows remote attackers to crash the server via crafted SQL. The sqlo_try_in_loop optimizer path crashes while compiling a crafted UPDATE against a view containing nested subqueries, CASE expressions, and an IN loop. CISA assesses no privileges or user interaction are required; the demonstrated effect is a database-server crash, not data access or modification.
Summary
What happened
SQL compiler denial of service in OpenLink Virtuoso Open Source 7.2.11 allows remote attackers to crash the server via crafted SQL. The sqlo_try_in_loop optimizer path crashes while compiling a crafted UPDATE against a view containing nested subqueries, CASE expressions, and an IN loop. CISA assesses no privileges or user interaction are required; the demonstrated effect is a database-server crash, not data access or modification.
The record
- CVE
- CVE-2025-61024
- Published
- Jun 23, 2026
- Updated
- Jun 23, 2026
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-89, T1499.004
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 23, 2026CVE publishedPublication date reported by the CVE source.
- Jun 23, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Virtuoso sqlo_try_in_loop crash proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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