How severe is CVE-2023-26022?

CVE-2023-26022 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-26022 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26022?

CVE-2023-26022 primarily affects Ibm Db2. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-26022?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-26022 published?

CVE-2023-26022 was published on 2023-04-28 and last updated on 2026-06-17.

CVE-2023-26022

CVE-2023-26022 is a medium-severity vulnerability in Ibm Db2 with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ibm Db2
Published: 2023-04-28
Last modified: 2026-06-17

Description

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server may crash when an Out of Memory occurs using the DBMS_OUTPUT module. IBM X-Force ID: 247868.

Frequently asked questions

What is CVE-2023-26022?: IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server may crash when an Out of Memory occurs using the DBMS_OUTPUT module. IBM X-Force ID: 247868.
How severe is CVE-2023-26022?: CVE-2023-26022 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-26022 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26022?: CVE-2023-26022 primarily affects Ibm Db2. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-26022?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-26022 published?: CVE-2023-26022 was published on 2023-04-28 and last updated on 2026-06-17.

References

Affected products (20)

cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:-:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp1:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp10:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp2:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp3:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp3a:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp4:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp5:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp6:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp7:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp8:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp9:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.4:-:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.4:fp1:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.4:fp2:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.4:fp3:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.4:fp4:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.4:fp5:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.4:fp6:*:*:*:*:*:*

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