CVE-2025-61028

virtuoso-opensource: Virtuoso-opensource: Denial of Service via crafted SQL statements

Published Jun 23, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Description

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

Analysis

Technical impact

An issue in the time_t_to_dt component of openlink virtuoso-opensource v7.2.11 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements, leading to a database crash. The flaw involves a logical error in date conversion that can be triggered by malicious queries, and is classified as CWE-770 (Uncontrolled Resource Consumption) and CWE-89 (SQL Injection).

Affected Systems

openlink virtuoso-opensource (version 7.2.11). No other affected versions are mentioned. The vulnerability is specific to this release.

Risk and Exploitability

The CVSS score of 7.5 classifies this vulnerability as high severity. The EPSS score of <1% indicates a very low likelihood of exploitation and it is not listed in the CISA KEV catalog, so no known public exploits exist. Attackers would need to send specially crafted SQL statements through the database interface, which is likely remote; if network exposure or authentication controls are weak, the risk increases. A successful exploit would terminate the database process, causing temporary or prolonged outage.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

No data.

Vendor Product Versions

Openlink

Virtuoso-opensource

Version	Status	Scheme	Platform
`7.2.11`	affected	semver	—

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

Apply the latest Virtuoso OpenSource patch or upgrade to a release that contains the fix for the time_t_to_dt bug.
Restrict database access to trusted networks or enforce firewall rules to limit connections from untrusted sources.
Configure automated monitoring and restart mechanisms to quickly recover the database service after a crash.

Generated by OpenCVE AI on June 25, 2026 at 17:44 UTC.

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.578% probability within 30 days)

Exploitation poc

Automatable yes

Technical Impact partial

References

Link	Providers
https://access.redhat.com/security/cve/CVE-2025-61028
https://bugzilla.redhat.com/show_bug.cgi?id=2491830
https://github.com/openlink/virtuoso-opensource/issues/1233
https://nvd.nist.gov/vuln/detail/CVE-2025-61028
https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-61028.json
https://www.cve.org/CVERecord?id=CVE-2025-61028

History

Jun 25, 2026 3:30 PM Weaknesses updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-89
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Jun 24, 2026 4:45 PM First appearance in the feed. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Openlink Openlink virtuoso-opensource
Vendors & Products		Openlink Openlink virtuoso-opensource

Jun 24, 2026 12:15 PM Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Title		virtuoso-opensource: Virtuoso-opensource: Denial of Service via crafted SQL statements
Weaknesses		CWE-770
References		https://nvd.nist.gov/vuln/detail/CVE-2025-61028 https://www.cve.org/CVERecord?id=CVE-2025-61028
Metrics	threat_severity `None`	cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}` threat_severity `Important`

Jun 24, 2026 10:45 AM Title updated. Weaknesses updated View changes

Type	Values Removed	Values Added
Title	Denial of Service via Crafted SQL in Virtuoso OpenSource time_t_to_dt
Weaknesses	CWE-400 CWE-89

Jun 24, 2026 6:45 AM Title updated. Weaknesses updated View changes

Type	Values Removed	Values Added
Title		Denial of Service via Crafted SQL in Virtuoso OpenSource time_t_to_dt
Weaknesses		CWE-400 CWE-89

Jun 24, 2026 4:15 AM Title updated. Weaknesses updated View changes

Type	Values Removed	Values Added
Title	Denial of Service via Crafted SQL in Virtuoso OpenSource time_t_to_dt
Weaknesses	CWE-400

Jun 24, 2026 12:30 AM Title updated. Weaknesses updated View changes

Type	Values Removed	Values Added
Title		Denial of Service via Crafted SQL in Virtuoso OpenSource time_t_to_dt
Weaknesses		CWE-400

Jun 23, 2026 10:45 PM Title updated. Weaknesses updated View changes

Type	Values Removed	Values Added
Title	Denial of Service via Crafted SQL in Virtuoso OpenSource time_t_to_dt
Weaknesses	CWE-770 CWE-89

Jun 23, 2026 8:30 PM Title updated. Weaknesses updated View changes

Type	Values Removed	Values Added
Title		Denial of Service via Crafted SQL in Virtuoso OpenSource time_t_to_dt
Weaknesses		CWE-770 CWE-89

Jun 23, 2026 4:45 PM Description updated. Added references View changes

Type	Values Removed	Values Added
Description		An issue in the time_t_to_dt component of openlink virtuoso-opensource v7.2.11 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.
References		https://github.com/openlink/virtuoso-opensource/issues/1233

Earlier changes (5)

Subscriptions

Openlink Virtuoso-opensource

Weaknesses

CWE-770
Allocation of Resources Without Limits or Throttling
CWE-89
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')