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CVE-2023-31631

An issue in the sqlo_preds_contradiction component of openlink virtuoso-opensource v7.2.9 allows...

7.5 HighFix available

An issue in the sqlo_preds_contradiction component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.86%Up 0.8 points since May 16, 2023
90%50%10%1%

What each source reports

NVD Score used 7.5

An issue in the sqlo_preds_contradiction component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

Record
CVE-2023-31631
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-89
Updated
2026-11-02
CVE List 7.5

An issue in the sqlo_preds_contradiction component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

Record
CVE-2023-31631
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-89
Updated
2026-11-02
EUVDEUVD-2023-35927 7.5

An issue in the sqlo_preds_contradiction component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

Record
EUVD-2023-35927
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-vrvg-p87p-4fgg 7.5

An issue in the sqlo_preds_contradiction component of openlink virtuoso-opensource v7.2.9 allows...

An issue in the sqlo_preds_contradiction component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

Record
GHSA-vrvg-p87p-4fgg
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-89
Updated
2026-11-02
OSV 7.5

An issue in the sqlo_preds_contradiction component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

Record
CVE-2023-31631
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2023-31631 7.5

An issue in the sqlo_preds_contradiction component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

Record
DEBIAN-CVE-2023-31631
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2023-31631 7.5

An issue in the sqlo_preds_contradiction component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

Record
UBUNTU-CVE-2023-31631
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUSN-6879-1 No score

virtuoso-opensource vulnerabilities

Jingzhou Fu discovered that Virtuoso Open-Source Edition incorrectly handled certain crafted SQL statements. An attacker could possibly use this issue to crash the program, resulting in a denial of service. (CVE-2023-31620, CVE-2023-31622, CVE-2023-31624, CVE-2023-31626, CVE-2023-31627, CVE-2023-31629, CVE-2023-31630, CVE-2023-31631, CVE-2023-48951)

Jingzhou Fu discovered that Virtuoso Open-Source Edition incorrectly handled certain crafted SQL statements. An attacker could possibly use this issue to crash the program, resulting in a denial of service. This issue only affects Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2023-48945, CVE-2023-48946, CVE-2023-48947, CVE-2023-48950)

Record
USN-6879-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
virtuoso-opensource
Debian:12
 All versions, plus listed versions
7.2.12+dfsg-0.17.2.12+dfsg-0.27.2.12+dfsg-17.2.12+dfsg-27.2.12+dfsg-3
Show 7 moreShow less
7.2.12+dfsg-47.2.5.1+dfsg1-0.37.2.5.1+dfsg1-0.47.2.5.1+dfsg1-0.57.2.5.1+dfsg1-0.67.2.5.1+dfsg1-0.77.2.5.1+dfsg1-0.8
 None known
virtuoso-opensource
Debian:13
 before 7.2.12+dfsg-0.2
7.2.12+dfsg-0.2
virtuoso-opensource
Debian:14
 before 7.2.12+dfsg-0.2
7.2.12+dfsg-0.2
virtuoso-opensource
Ubuntu:Pro:16.04:LTS
 before 6.1.6+repack-0ubuntu5+esm2, plus listed versions
6.1.6+repack-0ubuntu46.1.6+repack-0ubuntu56.1.6+repack-0ubuntu5+esm1
6.1.6+repack-0ubuntu5+esm2
virtuoso-opensource
Ubuntu:Pro:18.04:LTS
 before 6.1.6+repack-0ubuntu9+esm2, plus listed versions
6.1.6+repack-0ubuntu76.1.6+repack-0ubuntu96.1.6+repack-0ubuntu9+esm1
6.1.6+repack-0ubuntu9+esm2
virtuoso-opensource
Ubuntu:Pro:20.04:LTS
 before 6.1.6+repack-0ubuntu10+esm2, plus listed versions
6.1.6+repack-0ubuntu106.1.6+repack-0ubuntu10+esm1
6.1.6+repack-0ubuntu10+esm2
virtuoso-opensource
Ubuntu:Pro:22.04:LTS
 before 7.2.5.1+dfsg1-0.2ubuntu0.1~esm2, plus listed versions
6.1.6+repack-0ubuntu127.2.5.1+dfsg1-0.27.2.5.1+dfsg1-0.2ubuntu0.1~esm1
7.2.5.1+dfsg1-0.2ubuntu0.1~esm2
virtuoso-opensource
Ubuntu:Pro:24.04:LTS
 before 7.2.5.1+dfsg1-0.8ubuntu0.1~esm2, plus listed versions
7.2.5.1+dfsg1-0.3ubuntu17.2.5.1+dfsg1-0.4ubuntu17.2.5.1+dfsg1-0.5ubuntu17.2.5.1+dfsg1-0.6ubuntu17.2.5.1+dfsg1-0.6ubuntu27.2.5.1+dfsg1-0.87.2.5.1+dfsg1-0.8build17.2.5.1+dfsg1-0.8ubuntu0.1~esm1
7.2.5.1+dfsg1-0.8ubuntu0.1~esm2
virtuoso-opensource
Ubuntu:25.10
 All versions, plus listed versions
7.2.12+dfsg-1build17.2.12+dfsg-27.2.12+dfsg-2build17.2.12+dfsg-3
 None known
virtuoso-opensource
Ubuntu:26.10
 All versions, plus listed versions
7.2.12+dfsg-47.2.12+dfsg-4ubuntu17.2.12+dfsg-4ubuntu2
 None known
Show 6 moreShow less
Affected packages
PackageAffectedFixed
virtuoso-opensource
Ubuntu:26.04:LTS
 All versions, plus listed versions
7.2.12+dfsg-37.2.12+dfsg-4
 None known
virtuoso-opensource
Ubuntu:Pro:16.04:LTS
From an advisory covering 13 CVEs
 before 6.1.6+repack-0ubuntu5+esm2, plus listed versions
6.1.6+repack-0ubuntu46.1.6+repack-0ubuntu56.1.6+repack-0ubuntu5+esm1
6.1.6+repack-0ubuntu5+esm2
virtuoso-opensource
Ubuntu:Pro:18.04:LTS
From an advisory covering 13 CVEs
 before 6.1.6+repack-0ubuntu9+esm2, plus listed versions
6.1.6+repack-0ubuntu76.1.6+repack-0ubuntu96.1.6+repack-0ubuntu9+esm1
6.1.6+repack-0ubuntu9+esm2
virtuoso-opensource
Ubuntu:Pro:20.04:LTS
From an advisory covering 13 CVEs
 before 6.1.6+repack-0ubuntu10+esm2, plus listed versions
6.1.6+repack-0ubuntu106.1.6+repack-0ubuntu10+esm1
6.1.6+repack-0ubuntu10+esm2
virtuoso-opensource
Ubuntu:Pro:22.04:LTS
From an advisory covering 13 CVEs
 before 7.2.5.1+dfsg1-0.2ubuntu0.1~esm2, plus listed versions
6.1.6+repack-0ubuntu127.2.5.1+dfsg1-0.27.2.5.1+dfsg1-0.2ubuntu0.1~esm1
7.2.5.1+dfsg1-0.2ubuntu0.1~esm2
virtuoso-opensource
Ubuntu:Pro:24.04:LTS
From an advisory covering 13 CVEs
 before 7.2.5.1+dfsg1-0.8ubuntu0.1~esm2, plus listed versions
7.2.5.1+dfsg1-0.3ubuntu17.2.5.1+dfsg1-0.4ubuntu17.2.5.1+dfsg1-0.5ubuntu17.2.5.1+dfsg1-0.6ubuntu17.2.5.1+dfsg1-0.6ubuntu27.2.5.1+dfsg1-0.87.2.5.1+dfsg1-0.8build17.2.5.1+dfsg1-0.8ubuntu0.1~esm1
7.2.5.1+dfsg1-0.8ubuntu0.1~esm2

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-31631 is a high vulnerability (CVSS 7.5) in Openlinksw Virtuoso, published May 15, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.86%, the 58th percentile. Fixed in virtuoso-opensource 7.2.12+dfsg-0.2.

References

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