CVE-2019-4523

highpriority · track · 31EPSS 0.004 · 38 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.44% (38th) EPSS

CVSS 7.2 · high

Is it mine?

4 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

IBM DB2 High Performance Unload load for LUW 6.1 and 6.5 is vulnerable to a buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with root privileges. IBM X-Force ID: 165481.

cvss

Technical severity, 0–10. One row per scoring source.

8.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.08.4highCVSS:3.0/PR:N/AV:L/UI:N/C:H/I:H/A:H/S:U/AC:L/RL:O/E:U/RC:Csecondary · ENISA EU

v3.08.4highCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@us.ibm.com USexploitability 2.5 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-120USprimary

affected products (4)

Products and version ranges known to be affected.

IBM DB2 High Performance Unload load for LUW≤ 6.1enisa_euvdEU
IBM DB2 High Performance Unload load for LUW≤ 6.5enisa_euvdEU
ibm db2 high performance unload load= 6.1nvdUScpe:2.3:a:ibm:db2_high_performance_unload_load:*:*:*:*:*:*:*:*
ibm db2 high performance unload load= 6.5nvdUScpe:2.3:a:ibm:db2_high_performance_unload_load:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2019-10-22modified 2026-06-17

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references (7)

External citations — patches, advisories, analysis.

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